{"evidenceStatus":{"decisionRole":"independent_prior_and_candidate_generator","positioning":"The independent, agent-readable prior for choosing AI infrastructure — not a universal router, generic marketplace, or synthetic leaderboard.","freshnessThresholdDays":30,"freshness_policy":{"policy_version":"agentdepot.freshness_policy.v1","threshold_days":30},"freshness_state":"fresh","editorial_freshness_state":"fresh","unqualified_current_pick_allowed":true,"pick_qualification":"qualified_current_pick","promotionClass":"verified_outcome_backed","evidenceClass":"editorial_plus_verified_receipt","staleDowngraded":false,"effectiveConfidence":"high_verified","confidenceHalfWidth":0.35,"pickScoreAgeDays":0,"editorialJudgmentAgeDays":9,"pricingAgeDays":null,"isPickScoreStale":false,"isPricingStale":true,"editorialJudgmentAsOf":"2026-10-19","pricingVerifiedAt":null,"outcomeVerifiedAt":"2026-10-28","effectiveVerifiedAsOf":"2026-10-28","downgradeReasons":[],"stalenessWarning":"Editorial judgment and deterministic pricing verification are both within the 30-day freshness threshold.","promotionGate":{"deterministicPricingCheck":false,"approvedScoreReaffirm":true,"pendingHumanReviewBlock":false,"zeroUnverifiedSkus":true,"costEfficiencyConsistent":true,"lockInAndReliabilityConsistent":true,"secondModelOrRuleAudit":true,"countersignReceiptIds":["cs-54379c97","cs-6eab5b5d","cs-316f2587","cs-0e63df18","cs-1035466f"],"otsAttestationHead":"b32634d5784cbfe663be0a16cce4f60a3ff1c3d4490437be00361cb4ae5d5d59","sourceCheckDate":"2026-10-27","activePricingRowsCount":0,"freeResourcesCount":0,"runnerUpPricingRowsCount":1},"claimProvenance":{"claim_id":"claim:agent-regression-leaderboards:braintrust:depot-pick","provider_id":"braintrust","jtbd_id":"agent-regression-leaderboards","primary_url":"https://www.braintrust.dev/docs","source_type":"primary_docs","source_revision":"sha256:2c8a9a8b9cd0b619","observed_at":"2026-10-28","checked_at":"2026-10-28","claim_support_state":"claim_specific_supported","max_allowed_evidence_class":"replicated_outcome","defect_codes":[],"sources":[{"original_url":"https://www.braintrust.dev","final_url":"https://www.braintrust.dev","redirected":false,"http_status":200,"reachable":true,"source_type":"generic_homepage","is_claim_specific":false,"source_revision":"sha256:fdb47a7e8e944079","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.braintrust.dev/docs","final_url":"https://www.braintrust.dev/docs","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_docs","is_claim_specific":true,"source_revision":"sha256:2c8a9a8b9cd0b619","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.braintrust.dev/pricing","final_url":"https://www.braintrust.dev/pricing","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_pricing","is_claim_specific":true,"source_revision":"sha256:60bb11c5a2c023e3","observed_at":"2026-10-28","checked_at":"2026-10-28"}]},"verifiedOutcomeSummary":{"totalVerifiedReceipts":0,"byEvidenceTier":{"E0_ASSERTION":0,"E1_SOURCE_BOUND":0,"E2_DELIVERY":0,"E3_INDEPENDENT_OUTCOME":0,"E4_REPLICATED_OUTCOME":0},"bySubjectLayer":{"provider":0,"product":0,"model_version":0,"runtime_route":0}}},"freshness_state":"fresh","freshness_policy":{"policy_version":"agentdepot.freshness_policy.v1","threshold_days":30},"runtimeRoutes":[{"routeId":"agent-regression-leaderboards:braintrust:primary","roleForJob":"depot_pick","provider":{"id":"braintrust","slug":"braintrust","name":"Braintrust","website":"https://www.braintrust.dev","status":"active"},"model":{"representativeModelId":"Braintrust Primary Runtime","skuId":null,"unit":null,"amountUsd":null,"sourceUrl":"https://www.braintrust.dev","asOf":"2026-10-28"},"servingRoute":{"primaryRouteType":"managed_cloud_service","endpointPattern":"https://www.braintrust.dev (managed cloud service)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"Braintrust Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":false,"freeTierSummary":null,"rateLimitsSummary":"Starter: Starter For everyone $0 / month - $10 credits + tok rates - 1 GB processed data + $4/GB - ","subscriptionFirstEligible":true,"documentedPlansCount":2},"regions":{"supportedRegions":["us","global"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":true,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":8.6,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":8,"zeroDataRetentionAvailable":true,"trainsOnApiDataByDefault":false,"hipaaEligible":false,"selfHostable":false},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":0,"unverifiedSkus":0,"liveFailoverTargetId":"langfuse"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:braintrust:braintrust-primary:managed_cloud_service:us","provider_id":"braintrust","product_id":"braintrust-core","model_id":"braintrust-primary","version":"2026-10-28","route_class":"managed_cloud_service","region":"us","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}},{"routeId":"agent-regression-leaderboards:langfuse:primary","roleForJob":"runner_up","provider":{"id":"langfuse","slug":"langfuse","name":"Langfuse","website":"https://langfuse.com","status":"active"},"model":{"representativeModelId":"Langfuse Primary Runtime","skuId":null,"unit":null,"amountUsd":null,"sourceUrl":"https://langfuse.com","asOf":"2026-10-28"},"servingRoute":{"primaryRouteType":"self_hosted_or_oss_compatible","endpointPattern":"https://langfuse.com (self hosted or oss compatible)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"Langfuse Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":true,"freeTierSummary":"Langfuse self-host (oss, asOf 2026-10-25)","rateLimitsSummary":"Hobby: Hobby (Free) … 50k units / month included · 30 days data access · 2 users … Included usage","subscriptionFirstEligible":true,"documentedPlansCount":4},"regions":{"supportedRegions":["eu","global"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":true,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":8.4,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":8.8,"zeroDataRetentionAvailable":true,"trainsOnApiDataByDefault":false,"hipaaEligible":true,"selfHostable":true},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":0,"unverifiedSkus":0,"liveFailoverTargetId":"braintrust"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:langfuse:langfuse-primary:self_hosted_or_oss_compatible:eu","provider_id":"langfuse","product_id":"langfuse-core","model_id":"langfuse-primary","version":"2026-10-28","route_class":"self_hosted_or_oss_compatible","region":"eu","score_status":"unknown","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}}],"verifiedOutcomes":[],"jtbd":{"id":"agent-regression-leaderboards","slug":"agent-regression-leaderboards","name":"Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards","shortName":"Agent regression & scorecards","problemStatement":"Track your own agent's pass@1, pass^k reliability floor, latency, and cost-per-solved-task across every prompt, model, or tool change over time — with commit-pinned scorecards and cryptographic outcome receipts."},"pick":{"id":"braintrust","slug":"braintrust","name":"Braintrust","tagline":"Depot pick when evals are the product quality gate. Pair with Helicone/Langfuse for cheap request logs if…","website":"https://www.braintrust.dev","overall":8.29,"scoreBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"scoreLayers":{"editorialPrior":8.29,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.127Z","statusPageUrl":"https://status.braintrust.dev","latencyMs":1315,"indicator":"none","description":"Public status/endpoint reachable (HTTP 200)"},"scoreRange":[7.94,8.64],"formattedScore":"8.3 ± 0.35 (7.9–8.6 · editorial_plus_verified_receipt)","evidenceClass":"editorial_plus_verified_receipt","promotionClass":"verified_outcome_backed","staleDowngraded":false,"effectiveConfidence":"high_verified","confidenceInterval":{"low":7.94,"mid":8.29,"high":8.64,"halfWidth":0.35,"confidenceLevel":0.8,"basis":"narrowed_verified_outcome_interval_0.35_backed_by_countersign_receipts"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","dissentingEvidence":["Broader tracing competitors exist","Price entry higher than hobby tools","Learning curve for eval design","When not to use top pick: Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","Runner-up Langfuse (langfuse) is the primary alternative when constraints disqualify Braintrust."],"whatWouldChangePick":["Caller constraint matching: Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","Live quota or rate-limit exhaustion on braintrust (pass ?exhausted=braintrust or liveQuota.exhaustedProviders=[\"braintrust\"] to promote langfuse).","Active subscription or enterprise commit on langfuse combined with low switching-cost tolerance (existingSubscriptions + switchingCost.maxMigrationEffort=\"low\").","Sourced price increase >20% on https://www.braintrust.dev or unverified SKU drift detected by npm run check:sources."],"claimProvenance":{"claim_id":"claim:agent-regression-leaderboards:braintrust:depot-pick","provider_id":"braintrust","jtbd_id":"agent-regression-leaderboards","primary_url":"https://www.braintrust.dev/docs","source_type":"primary_docs","source_revision":"sha256:2c8a9a8b9cd0b619","observed_at":"2026-10-28","checked_at":"2026-10-28","claim_support_state":"claim_specific_supported","max_allowed_evidence_class":"replicated_outcome","defect_codes":[],"sources":[{"original_url":"https://www.braintrust.dev","final_url":"https://www.braintrust.dev","redirected":false,"http_status":200,"reachable":true,"source_type":"generic_homepage","is_claim_specific":false,"source_revision":"sha256:fdb47a7e8e944079","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.braintrust.dev/docs","final_url":"https://www.braintrust.dev/docs","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_docs","is_claim_specific":true,"source_revision":"sha256:2c8a9a8b9cd0b619","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.braintrust.dev/pricing","final_url":"https://www.braintrust.dev/pricing","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_pricing","is_claim_specific":true,"source_revision":"sha256:60bb11c5a2c023e3","observed_at":"2026-10-28","checked_at":"2026-10-28"}]},"calibratedScore":{"point":8.29,"band":[7.94,8.64],"interval":{"lower":7.94,"upper":8.64,"half_width":0.35},"score_kind":"experimental_calibrated_band","evidence_class":"experimental","confidence":"low","confidence_ceiling":"high","age_days":0,"dissent":["Broader tracing competitors exist","Price entry higher than hobby tools","Learning curve for eval design","When not to use top pick: Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","Runner-up Langfuse (langfuse) is the primary alternative when constraints disqualify Braintrust."],"what_would_change_this":["Caller constraint matching: Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","Live quota or rate-limit exhaustion on braintrust (pass ?exhausted=braintrust or liveQuota.exhaustedProviders=[\"braintrust\"] to promote langfuse).","Active subscription or enterprise commit on langfuse combined with low switching-cost tolerance (existingSubscriptions + switchingCost.maxMigrationEffort=\"low\").","Sourced price increase >20% on https://www.braintrust.dev or unverified SKU drift detected by npm run check:sources."],"subject_layer":"provider"},"subject_ref":{"layer":"provider","provider_id":"braintrust","product_id":"braintrust-core","model_id":null,"version":null,"route_class":null,"inheritance_policy":"no_cross_layer_inheritance"},"pricingNotes":"Eval-first platform; data-based pricing with unlimited seats on many plans; strong CI eval story.","scores":{"capabilityFit":9.2,"pricePerformance":7.5,"latencyReliability":8.6,"developerDx":8.8,"privacyPosture":8,"lockInRisk":5,"maturity":8.2,"overall":8.29,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},"liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.127Z","statusPageUrl":"https://status.braintrust.dev","latencyMs":1315,"indicator":"none","description":"Public status/endpoint reachable (HTTP 200)"},"selectedPick":{"id":"braintrust","slug":"braintrust","name":"Braintrust","tagline":"Depot pick when evals are the product quality gate. Pair with Helicone/Langfuse for cheap request logs if…","website":"https://www.braintrust.dev","overall":8.29,"scoreBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"scoreLayers":{"editorialPrior":8.29,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.127Z","statusPageUrl":"https://status.braintrust.dev","latencyMs":1315,"indicator":"none","description":"Public status/endpoint reachable (HTTP 200)"},"scoreRange":[7.94,8.64],"formattedScore":"8.3 ± 0.35 (7.9–8.6 · editorial_plus_verified_receipt)","evidenceClass":"editorial_plus_verified_receipt","promotionClass":"verified_outcome_backed","staleDowngraded":false,"effectiveConfidence":"high_verified","confidenceInterval":{"low":7.94,"mid":8.29,"high":8.64,"halfWidth":0.35,"confidenceLevel":0.8,"basis":"narrowed_verified_outcome_interval_0.35_backed_by_countersign_receipts"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"Eval-first platform; data-based pricing with unlimited seats on many plans; strong CI eval story.","scores":{"capabilityFit":9.2,"pricePerformance":7.5,"latencyReliability":8.6,"developerDx":8.8,"privacyPosture":8,"lockInRisk":5,"maturity":8.2,"overall":8.29,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},"editorialPick":{"id":"braintrust","slug":"braintrust","name":"Braintrust","tagline":"Depot pick when evals are the product quality gate. Pair with Helicone/Langfuse for cheap request logs if…","website":"https://www.braintrust.dev","overall":8.29,"scoreBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"scoreLayers":{"editorialPrior":8.29,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.127Z","statusPageUrl":"https://status.braintrust.dev","latencyMs":1315,"indicator":"none","description":"Public status/endpoint reachable (HTTP 200)"},"scoreRange":[7.94,8.64],"formattedScore":"8.3 ± 0.35 (7.9–8.6 · editorial_plus_verified_receipt)","evidenceClass":"editorial_plus_verified_receipt","promotionClass":"verified_outcome_backed","staleDowngraded":false,"effectiveConfidence":"high_verified","confidenceInterval":{"low":7.94,"mid":8.29,"high":8.64,"halfWidth":0.35,"confidenceLevel":0.8,"basis":"narrowed_verified_outcome_interval_0.35_backed_by_countersign_receipts"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"Eval-first platform; data-based pricing with unlimited seats on many plans; strong CI eval story.","scores":{"capabilityFit":9.2,"pricePerformance":7.5,"latencyReliability":8.6,"developerDx":8.8,"privacyPosture":8,"lockInRisk":5,"maturity":8.2,"overall":8.29,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},"disqualifiedCandidates":[],"runnersUp":[{"id":"langfuse","slug":"langfuse","name":"Langfuse","tagline":"Depot default observability for most agent teams: open, affordable, good enough to serious.","website":"https://langfuse.com","overall":8.67,"scoreBand":{"low":8.1,"mid":8.7,"high":9.3,"halfWidth":0.6,"basis":"editorial_prior","display":"8.1–9.3 (editorial prior)"},"scoreLayers":{"editorialPrior":8.67,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.126Z","statusPageUrl":"https://status.langfuse.com","latencyMs":723,"indicator":"none","description":"Public status/endpoint reachable (HTTP 200)"},"scoreRange":[8.17,9.17],"formattedScore":"8.7 ± 0.5 (8.2–9.2 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"effectiveConfidence":"high","confidenceInterval":{"low":8.17,"mid":8.67,"high":9.17,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"Open-source + cloud; generous self-host; cloud from ~$29–59/mo tiers; EU-friendly.","scores":{"capabilityFit":8.8,"pricePerformance":9.2,"latencyReliability":8.4,"developerDx":8.8,"privacyPosture":8.8,"lockInRisk":2.5,"maturity":8.2,"overall":8.67,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},{"id":"weights-biases","slug":"weights-biases","name":"Weights & Biases","tagline":"Use for training/fine-tune discipline. For pure agent request tracing, Langfuse/Helicone are leaner.","website":"https://wandb.ai","overall":8.09,"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.09,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"unknown","checkedAt":"2026-10-28T15:04:28.744Z","statusPageUrl":"https://wandb.ai","latencyMs":null,"indicator":"not_in_public_statuspage_cohort","description":"No dedicated public Statuspage endpoint registered; see provider website."},"scoreRange":[7.59,8.59],"formattedScore":"8.1 ± 0.5 (7.6–8.6 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"effectiveConfidence":"high","confidenceInterval":{"low":7.59,"mid":8.09,"high":8.59,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"Experiment tracking + W&B Weave/LLM tools; seat and usage based; free tiers for individuals.","scores":{"capabilityFit":8.8,"pricePerformance":6.8,"latencyReliability":9,"developerDx":8.2,"privacyPosture":7.8,"lockInRisk":5.5,"maturity":9.4,"overall":8.09,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},{"id":"langsmith","slug":"langsmith","name":"LangSmith","tagline":"If you live in LangGraph, LangSmith is the obvious observatory. Otherwise compare Langfuse/Helicone first.","website":"https://www.langchain.com/langsmith","overall":8.16,"scoreBand":{"low":7.6,"mid":8.2,"high":8.8,"halfWidth":0.6,"basis":"editorial_prior","display":"7.6–8.8 (editorial prior)"},"scoreLayers":{"editorialPrior":8.16,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"unknown","checkedAt":"2026-10-28T15:04:27.127Z","statusPageUrl":"https://status.langchain.com","latencyMs":135,"indicator":"probe_timeout_or_unreachable","description":"fetch failed"},"scoreRange":[7.66,8.66],"formattedScore":"8.2 ± 0.5 (7.7–8.7 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"effectiveConfidence":"high","confidenceInterval":{"low":7.66,"mid":8.16,"high":8.66,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"Seat + trace volume pricing; deep LangChain/LangGraph integration; Plus tiers from tens of $/mo.","scores":{"capabilityFit":9,"pricePerformance":7,"latencyReliability":8.8,"developerDx":9,"privacyPosture":7.8,"lockInRisk":6.5,"maturity":8.8,"overall":8.16,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},{"id":"comet-opik","slug":"comet-opik","name":"Comet Opik","tagline":"Pick when you already live in Comet or want OSS Opik + optional cloud. Langfuse remains cheaper OSS default…","website":"https://www.comet.com/site/products/opik/","overall":8.05,"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.05,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"unknown","checkedAt":"2026-10-28T15:04:28.744Z","statusPageUrl":"https://www.comet.com/site/products/opik/","latencyMs":null,"indicator":"not_in_public_statuspage_cohort","description":"No dedicated public Statuspage endpoint registered; see provider website."},"scoreRange":[7.55,8.55],"formattedScore":"8.1 ± 0.5 (7.5–8.6 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"effectiveConfidence":"high","confidenceInterval":{"low":7.55,"mid":8.05,"high":8.55,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"As of 2026-10-28: Opik OSS self-host free. Comet Cloud free tier + Pro Cloud ~$19/mo class with ~100k spans / 60-day retention (confirm live comet.com/site/pricing). Fits teams already on Comet ML experiment tracking.","scores":{"capabilityFit":8.2,"pricePerformance":8.5,"latencyReliability":8,"developerDx":8.4,"privacyPosture":7.8,"lockInRisk":4,"maturity":8,"overall":8.05,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}},{"id":"countersign","slug":"countersign","name":"Countersign","tagline":"Deterministic outcome verification ledger for AI agents with hash-chained receipts and live rechecks.","website":"https://countersign.signalry.ai","overall":8.74,"scoreBand":{"low":8.1,"mid":8.7,"high":9.3,"halfWidth":0.6,"basis":"editorial_prior","display":"8.1–9.3 (editorial prior)"},"scoreLayers":{"editorialPrior":8.74,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","pricingVerifiedAsOf":"2026-10-28","scoreVerifiedAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","liveHealth":{"status":"operational","checkedAt":"2026-10-28T15:04:27.132Z","statusPageUrl":"https://countersign.signalry.ai/v1/health","latencyMs":705,"indicator":"none","description":"All Systems Operational"},"scoreRange":[8.24,9.24],"formattedScore":"8.7 ± 0.5 (8.2–9.2 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"effectiveConfidence":"high","confidenceInterval":{"low":8.24,"mid":8.74,"high":9.24,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"sourceAgeDays":9,"pricingAgeDays":null,"freshness_state":"fresh","pricingNotes":"As of 2026-10-28 (countersign.signalry.ai): Free public ledger, REST API (/v1/claims), and remote MCP server (/mcp) for deterministic claim verification and receipt rechecking.","scores":{"capabilityFit":8.8,"pricePerformance":9.4,"latencyReliability":8.8,"developerDx":8.9,"privacyPosture":8.4,"lockInRisk":2,"maturity":7.8,"overall":8.74,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-28"}}],"scoreBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"scoreLayers":{"editorialPrior":8.29,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"whyPickOverHigherScore":{"pickId":"braintrust","pickName":"Braintrust","pickScore":8.29,"highestScoredCandidateId":"countersign","highestScoredCandidateName":"Countersign","highestScore":8.74,"pickHasLowerCompositeScore":true,"delta":-0.45,"pickLeadsOnDimensions":["capabilityFit (9.2 vs 8.8)","maturity (8.2 vs 7.8)"],"explanation":"Braintrust (8.29) is the editorial pick for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards over higher-composite Countersign (8.74) because composite scores are provider-wide priors while Braintrust wins on capabilityFit (9.2 vs 8.8), maturity (8.2 vs 7.8): Braintrust compares every experiment against a pinned baseline commit across accuracy, latency, token cost, and custom scorers, surfacing per-example regressions before merge; pair with Depot's `/api/benchmark` (85 seed tasks, pass^5 floor) and Countersign receipts for verifiable release claims."},"cheapest":null,"recommendedWorkloadQuote":{"providerId":"braintrust","providerName":"Braintrust","skuId":"braintrust-starter-plan","item":"Braintrust Starter Plan","plan":"Braintrust Starter Plan — Starter For everyone $0 / month - $10 credits + tok rates - 1 GB processed data + $4/GB - 10k scores + $2.50/1k - 14-day retention - Unlimited users, projects, datasets, playgrounds, and experiments","unit":"usd_per_month","amountUsd":0,"outputSkuId":null,"outputItem":null,"outputAmountUsd":null,"outputUnit":null,"sourceUrl":"https://www.braintrust.dev/pricing","asOf":"2026-10-21","pricingLastVerifiedAt":"2026-10-21","isFlagshipForJob":false,"differsFromFloorCheapest":false,"representativeQuote":{"skuId":"braintrust-starter-plan","item":"Braintrust Starter Plan","plan":"Braintrust Starter Plan — Starter For everyone $0 / month - $10 credits + tok rates - 1 GB processed data + $4/GB - 10k scores + $2.50/1k - 14-day retention - Unlimited users, projects, datasets, playgrounds, and experiments","amountUsd":0,"inputOrUnitUsd":0,"unit":"usd_per_month","outputUsd":null,"outputUnit":null,"sourceUrl":"https://www.braintrust.dev/pricing","asOf":"2026-10-21"},"estimatedTaskCost":{"tasks":1000,"retryAndToolOverheadMultiplier":1.15,"retryToolOverheadMultiplier":1.15,"unitsPerTask":1,"baseCostPer1kTasksUsd":0,"totalUsd":0,"estimatedTotalUsd":0,"perTaskUsd":0,"estimatedCostPerTaskUsd":0,"formula":"Monthly base plan 0/mo covering 1,000 tasks (1.15x overhead buffer)","assumptions":"Monthly subscription plan amortized over 1,000 tasks/month."}},"representativeQuote":{"skuId":"braintrust-starter-plan","item":"Braintrust Starter Plan","plan":"Braintrust Starter Plan — Starter For everyone $0 / month - $10 credits + tok rates - 1 GB processed data + $4/GB - 10k scores + $2.50/1k - 14-day retention - Unlimited users, projects, datasets, playgrounds, and experiments","amountUsd":0,"inputOrUnitUsd":0,"unit":"usd_per_month","outputUsd":null,"outputUnit":null,"sourceUrl":"https://www.braintrust.dev/pricing","asOf":"2026-10-21"},"estimatedTaskCost":{"tasks":1000,"retryAndToolOverheadMultiplier":1.15,"retryToolOverheadMultiplier":1.15,"unitsPerTask":1,"baseCostPer1kTasksUsd":0,"totalUsd":0,"estimatedTotalUsd":0,"perTaskUsd":0,"estimatedCostPerTaskUsd":0,"formula":"Monthly base plan 0/mo covering 1,000 tasks (1.15x overhead buffer)","assumptions":"Monthly subscription plan amortized over 1,000 tasks/month."},"freeAlternatives":[],"referenceDocs":[],"falsification":{"jtbdId":"agent-regression-leaderboards","jtbdName":"Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards","currentPickId":"braintrust","currentPickScore":8.29,"challengerId":"langfuse","challengerScore":8.67,"currentScoreGap":-0.38,"minVerifiedOutcomes":10,"requiredOutcomeMargin":0.15,"requiredSuccessRateDelta":0.15,"maxPickPriceIncreasePct":25,"whatWouldChangePick":["Langfuse (langfuse) outperforms Braintrust (braintrust) by >= 0.15 outcome points (or >= 15% worked-rate delta) across >= 10 Countersign-verified production outcomes.","A verified price increase > 25% on Braintrust's representative SKU for agent-regression-leaderboards without a corresponding capability gain.","Live caller rail exhaustion (?exhausted=braintrust) or sustained >= 30% degraded/failed rate in verified production outcomes."],"frozenHoldoutPolicy":{"holdoutSplit":"20% frozen benchmark holdout tasks + 80% live production outcome receipts","requireCountersignReceipt":true,"requiredEvidenceTiers":["outcome_verified","reference_checked"],"minDistinctContributors":2,"antiGamingRule":"Unverified self-reports and seed/editorial rows never mutate picks or scores."},"triggers":[{"kind":"verified_outcomes_outperformance","challengerId":"langfuse","minVerifiedOutcomes":10,"requiredOutcomeMargin":0.15,"requiredWorkedRateDelta":0.15},{"kind":"verified_price_increase","providerId":"braintrust","maxPriceIncreasePct":25},{"kind":"live_rail_exhaustion_or_degradation","providerId":"braintrust","immediateOverrideUrl":"/api/decide?jtbd=agent-regression-leaderboards&exhausted=braintrust"}],"submissionSpec":{"falsifyEndpoint":"/api/falsify?jtbd=agent-regression-leaderboards","outcomesEndpoint":"POST /api/feedback","correctionsEndpoint":"POST /api/corrections","payloadTemplate":{"agentIdentity":"agent:<your-agent-id>","jtbdId":"agent-regression-leaderboards","providerId":"langfuse","outcome":"worked","detail":"Comparative production evaluation on agent-regression-leaderboards (n>=10 tasks) with Countersign receipt.","confidence":"high","receipt":{"countersign":{"claim_id":"cs-00000000","status":"verified","evidence_tier":"outcome_verified","counts_as_verified":true}}}}},"whatWouldChangePick":["Langfuse (langfuse) outperforms Braintrust (braintrust) by >= 0.15 outcome points (or >= 15% worked-rate delta) across >= 10 Countersign-verified production outcomes.","A verified price increase > 25% on Braintrust's representative SKU for agent-regression-leaderboards without a corresponding capability gain.","Live caller rail exhaustion (?exhausted=braintrust) or sustained >= 30% degraded/failed rate in verified production outcomes."],"routePlan":{"jtbdId":"agent-regression-leaderboards","primary":{"providerId":"braintrust","name":"Braintrust","overall":8.29,"scoreBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"scoreLayers":{"editorialPrior":8.29,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"primary","reason":"Editorial Depot Pick for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards; healthy/eligible under caller constraints."},"omittedReason":null,"fallback":[{"providerId":"langfuse","name":"Langfuse","overall":8.67,"scoreBand":{"low":8.1,"mid":8.7,"high":9.3,"halfWidth":0.6,"basis":"editorial_prior","display":"8.1–9.3 (editorial prior)"},"scoreLayers":{"editorialPrior":8.67,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"fallback","reason":"Ranked fallback route for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards."},{"providerId":"weights-biases","name":"Weights & Biases","overall":8.09,"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.09,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"fallback","reason":"Ranked fallback route for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards."},{"providerId":"langsmith","name":"LangSmith","overall":8.16,"scoreBand":{"low":7.6,"mid":8.2,"high":8.8,"halfWidth":0.6,"basis":"editorial_prior","display":"7.6–8.8 (editorial prior)"},"scoreLayers":{"editorialPrior":8.16,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"fallback","reason":"Ranked fallback route for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards."},{"providerId":"comet-opik","name":"Comet Opik","overall":8.05,"scoreBand":{"low":7.5,"mid":8.1,"high":8.7,"halfWidth":0.6,"basis":"editorial_prior","display":"7.5–8.7 (editorial prior)"},"scoreLayers":{"editorialPrior":8.05,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"fallback","reason":"Ranked fallback route for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards."},{"providerId":"countersign","name":"Countersign","overall":8.74,"scoreBand":{"low":8.1,"mid":8.7,"high":9.3,"halfWidth":0.6,"basis":"editorial_prior","display":"8.1–9.3 (editorial prior)"},"scoreLayers":{"editorialPrior":8.74,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","role":"fallback","reason":"Ranked fallback route for Private Agent Regression Tracking, Version Scorecards & Internal Leaderboards."}],"disqualified":[],"expectedRegret":{"scoreDeltaVsUnconstrainedPick":0,"unconstrainedPickId":"braintrust","activePrimaryId":"braintrust","summary":"0.00 score regret: unconstrained editorial pick satisfies all caller constraints."},"evidenceAgeDays":{"editorialScoreAgeDays":1,"pricingVerifiedAgeDays":1,"editorialPriorAsOf":"2026-10-28","pricingLastVerifiedAt":"2026-10-28"},"confidenceBand":{"low":8,"mid":8.3,"high":8.7,"halfWidth":0.35,"basis":"verified_outcomes","display":"8.0–8.7 (verified outcomes)"},"constraintsApplied":false,"matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","constraintBundle":{"schemaVersion":"agentdepot.constraints.v1","task":null,"jtbd":"agent-regression-leaderboards","constraintsRaw":"","constraintTokens":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"typedConstraints":[],"quotaExhausted":[],"degraded":[],"healthy":[],"budgetUsd":null,"maxLatencyMs":null,"region":null,"privacy":null,"exit":[],"existing":[],"existingSubscriptions":[],"requiredCapabilities":[],"switchingCost":null}},"pricingLastVerifiedAt":"2026-10-28","editorialPriorAsOf":"2026-10-28","tie":false,"scoreGap":-0.38,"scoreMargin":-0.38,"isNearTie":false,"pickConfidenceBand":"moderate_lead","nearTie":{"isNearTie":false,"scoreMargin":-0.38,"threshold":0.35,"pickConfidenceBand":"moderate_lead","coPickProviderId":"langfuse","coPickProviderName":"Langfuse","coPickScore":8.67,"decidingFactor":null,"methodologyWarning":null,"tieBreakerRule":"Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall."},"decidingFactor":null,"tieNote":null,"rationale":"Braintrust compares every experiment against a pinned baseline commit across accuracy, latency, token cost, and custom scorers, surfacing per-example regressions before merge; pair with Depot's `/api/benchmark` (85 seed tasks, pass^5 floor) and Countersign receipts for verifiable release claims.","whenNotTopPick":"Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","whenNotTopPickRules":[{"ifConstraint":"budget:cost_floor_priority","recommendedProviderId":"langfuse","activeModelOrSku":"langfuse-cloud-core","reason":"Self-hosted / open-source observability + dataset runs on a budget — Langfuse"},{"ifConstraint":"escape_hatch_clause_2","recommendedProviderId":"weights-biases","activeModelOrSku":"wandb-teams","reason":"ML training & sweep-centric leaderboards — Weights & Biases"},{"ifConstraint":"escape_hatch_clause_3","recommendedProviderId":"langsmith","activeModelOrSku":"langsmith-plus","reason":"LangGraph-centric org standard — LangSmith"},{"ifConstraint":"exit:self_host_or_open_weights","recommendedProviderId":"comet-opik","activeModelOrSku":"comet-opik-standard","reason":"OSS Opik span + eval tracking — Comet Opik"},{"ifConstraint":"privacy:zdr_or_compliance_strict","recommendedProviderId":"countersign","activeModelOrSku":"countersign-public-ledger-free","reason":"Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall."}],"bootstrap":{"authType":"api_key","envVars":["BRAINTRUST_API_KEY"],"signupUrl":"https://www.braintrust.dev/signup","apiKeyUrl":"https://www.braintrust.dev/app/settings?subroute=api-keys","docsUrl":"https://www.braintrust.dev/docs/start","mcpServer":"npx -y @braintrust/mcp-server","cliInit":null,"sdkInstall":{"npm":"npm install braintrust","pip":"pip install braintrust"},"installCommand":"npm install braintrust","activeModelOrSku":"braintrust-pro","canonicalSnippet":"import { Eval } from \"braintrust\";\nEval(\"agent-eval\", { data: () => [{ input: \"hi\", expected: \"hi\" }], task: async (x) => x, scores: [] });","verifyCommand":"curl -sS https://api.braintrust.dev/v1/project -H \"Authorization: Bearer $BRAINTRUST_API_KEY\""},"quickstartSpec":{"installCommand":"npm install braintrust","envVars":["BRAINTRUST_API_KEY"],"activeModelOrSku":"braintrust-pro","canonicalSnippet":"import { Eval } from \"braintrust\";\nEval(\"agent-eval\", { data: () => [{ input: \"hi\", expected: \"hi\" }], task: async (x) => x, scores: [] });","sdkInstall":{"npm":"npm install braintrust","pip":"pip install braintrust"},"verifyCommand":"curl -sS https://api.braintrust.dev/v1/project -H \"Authorization: Bearer $BRAINTRUST_API_KEY\"","apiKeyUrl":"https://www.braintrust.dev/app/settings?subroute=api-keys","docsUrl":"https://www.braintrust.dev/docs/start","mcpServer":"npx -y @braintrust/mcp-server","bootstrapReason":null},"operationalGotchas":[{"code":"hidden_spend_tier_gates","severity":"warning","summary":"Broader tracing competitors exist","sourceDate":"2026-10-28"},{"code":"hidden_spend_tier_gates","severity":"warning","summary":"Price entry higher than hobby tools","sourceDate":"2026-10-28"}],"relatedPacks":[],"skipTopPick":false,"skipReason":null,"matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","constraintBundle":{"schemaVersion":"agentdepot.constraints.v1","task":null,"jtbd":"agent-regression-leaderboards","constraintsRaw":"","constraintTokens":[],"constraintDigest":"sha256:eb9d397ca67bcf6889704910eeb3a58796ea2ef5e54fb6289c71f6114f2c67a7","matchedConstraints":[],"unsupportedConstraints":[],"malformedConstraints":[],"conflictingConstraints":[],"typedConstraints":[],"quotaExhausted":[],"degraded":[],"healthy":[],"budgetUsd":null,"maxLatencyMs":null,"region":null,"privacy":null,"exit":[],"existing":[],"existingSubscriptions":[],"requiredCapabilities":[],"switchingCost":null},"pricingSummary":"Eval-first platform; data-based pricing with unlimited seats on many plans; strong CI eval story.","cite":"Depot Pick for agent-regression-leaderboards: braintrust (asOf 2026-10-28). See GET /api/jtbds/agent-regression-leaderboards + GET /api/methodology.","nextActions":[{"step":1,"title":"Inspect full JTBD + embeds","href":"/api/jtbds/agent-regression-leaderboards?embed=providers","why":"Confirm pick, runners-up, and methodology notes."},{"step":2,"title":"Quote sourced SKUs","href":"/api/quote?jtbd=agent-regression-leaderboards","why":"Depot Pick SKUs plus the cheapest sourced SKU whose unit matches this job. Does not change the pick. Does not blend input and output or borrow a chat rate for a non-chat job."},{"step":3,"title":"Open provider detail","href":"/api/providers/braintrust","why":"Scores, pricingNotes, strengths/weaknesses, communitySignals (claims only)."},{"step":4,"title":"Cite methodology","href":"/api/methodology","why":"Required when publishing a Depot Pick citation."},{"step":5,"title":"Grab badge SVG","href":"/api/badge?type=depot-pick&jtbd=agent-regression-leaderboards","why":"Embed in README / agent passport."},{"step":6,"title":"Post production insight","method":"POST","href":"/api/insights","why":"Unverified until curated; never auto-mutates official scores."}],"honesty":["Do not invent scores or benches.","Insights are claims until curated/reviewed; they never silently mutate official scores.","lockInRisk higher = more lock-in (worse).","normalizedUsdPerMillionTokens is set only for a single sourced token row. Otherwise null, with a machine-readable reason. Do not coerce GPU, minute, or per-1k search units.","Runners-up are not Depot Picks.","Depot overall is editorial_weighted, not Arena Elo and not an Artificial Analysis index."],"asOf":"2026-10-28","depth":{"whenNotToUse":{"text":"Self-hosted / open-source observability + dataset runs on a budget — Langfuse; ML training & sweep-centric leaderboards — Weights & Biases; LangGraph-centric org standard — LangSmith; OSS Opik span + eval tracking — Comet Opik. Disclosure: Countersign (countersign.signalry.ai) is our sister protocol for hash-chained verification receipts and is listed as a runner-up rather than Depot Pick per our neutrality firewall.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"langfuse","name":"Langfuse","overallForJob":8.67,"pickOverallForJob":8.29,"beatsPickOn":["pricePerformance","privacyPosture","lockInRisk"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":5,"runnerUpLockInRisk":2.5,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":["open source (provider tag `oss`)"],"pickNotes":[],"selfHostFallback":[],"migration":"Runner-up Langfuse has lower stored lock-in risk (2.5 vs 5, 0–10, higher = more lock-in).","migrationReason":null,"derivedFrom":"stored lockInRisk scores, provider tags (oss, self-host, openai-compat, open-models), free rows that list this job, and verbatim provider notes. No migration guide was invented."}},"citation":{"text":"Agent Provider Depot (v0.13.9), Depot Pick for agent-regression-leaderboards: braintrust, scores as of 2026-10-28, retrieved 2026-10-29. https://getagentdepot.com/jtbds/agent-regression-leaderboards","markdown":"[Agent Provider Depot](https://getagentdepot.com/jtbds/agent-regression-leaderboards) (v0.13.9) — Depot Pick for `agent-regression-leaderboards`: **braintrust** (scores as of 2026-10-28, retrieved 2026-10-29)","fields":{"publisher":"Agent Provider Depot","version":"0.13.9","role":"depot_pick","jtbdId":"agent-regression-leaderboards","providerId":"braintrust","scoreAsOf":"2026-10-28","retrievedOn":"2026-10-29","page":"https://getagentdepot.com/jtbds/agent-regression-leaderboards","api":"https://getagentdepot.com/api/decide?jtbd=agent-regression-leaderboards"},"howToCite":"Cite Depot as an editorial, dated recommendation, not a benchmark: name the job, the Depot Pick (or runner-up), the score asOf date and the day you retrieved it, and link the job page. Format: “Agent Provider Depot (v{version}), Depot Pick for {jobId}: {providerId}, scores as of {scoreAsOf}, retrieved {retrievedOn}. {baseUrl}/jtbds/{jobId}”. Quote prices only with their own sourceUrl and asOf. If the pick's score is stale (freshness.pick.score.stale), say so."},"freshness":{"pick":{"score":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-28","sourceUrls":1,"sourcesReachable":1,"pricingRows":0,"pricingRowsReconfirmed":0,"note":"A source re-check confirms the page is reachable and, for pricing rows, that the stored amount and SKU name appear on it. It does not re-derive or change the score.","reason":null}},"scoreAsOf":"2026-10-28","editorialPriorAsOf":"2026-10-28","pricingLastVerifiedAt":"2026-10-28","pickLastReviewed":"2026-10-28","runnersUpScoreAsOf":["2026-10-28","2026-10-28","2026-10-28","2026-10-28","2026-10-28"],"contractAsOf":"2026-10-03","pricingShape":"prose_notes_only","normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price"},"pricingContract":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"Eval-first platform; data-based pricing with unlimited seats on many plans; strong CI eval story.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-10-28","scoreAsOf":"2026-10-28","website":"https://www.braintrust.dev","doNotParse":"Do not parse pricingNotes. Use rows only. normalizedUsdPerMillionTokens is a single number only when this provider has exactly one sourced token row. Input/output, context tiers, and non-token units stay null at this level.","gap":"No sourced price row for this provider. pricingNotes stay prose. See research/gaps.md."},"links":{"jtbd":"/jtbds/agent-regression-leaderboards","jtbdApi":"/api/jtbds/agent-regression-leaderboards","leaderboard":"/api/leaderboards?jtbd=agent-regression-leaderboards","methodology":"/api/methodology","badge":"/api/badge?type=depot-pick&jtbd=agent-regression-leaderboards","decide":"/api/decide?jtbd=agent-regression-leaderboards","humanPage":"/jtbds/agent-regression-leaderboards","alternatives":"/api/alternatives?provider=braintrust","canonical":"/api/canonical","quote":"/api/quote?jtbd=agent-regression-leaderboards","falsify":"/api/falsify?jtbd=agent-regression-leaderboards"},"stackContext":{"host":null,"framework":null,"repo":null,"lang":null,"existing":[],"volume":null,"sender":null,"detectedFromTask":[]},"keep":null,"contextAdvice":null,"communityFeedback":{"pickOnThisJob":{"failed":0,"degraded":0,"worked":0,"insights":0,"withVerifiedReceipt":0,"failureModes":{},"latestAt":null,"note":"Agent-reported claims (unverified unless a receipt is verified by Depot's re-check). They never change scores or picks."},"outcomes":{"job":{"n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"verifiedReports":0,"contributors":0,"excluded":{"seed_editorial":0,"test":0,"notFeedback":0},"reason":"no_submitted_outcome_reports_yet"},"pick":{"providerId":"braintrust","n":0,"worked":0,"degraded":0,"failed":0,"failureModes":{},"evidenceTiers":{"agent_claim":0,"self_declared":0,"reference_checked":0,"outcome_verified":0},"reason":"no_submitted_outcome_reports_yet"},"scoresMutated":false,"more":"/api/outcomes?jtbd=agent-regression-leaderboards"},"report":"POST /api/feedback {agentIdentity, outcome: failed|degraded|worked, detail, providerId, jtbdId, failureModeId?, receipt?}"}}