{"jtbd":{"id":"cost-monitoring","slug":"cost-monitoring","name":"LLM cost monitoring","shortName":"LLM cost monitoring","problemStatement":"Track token spend per user/feature and catch bill spikes."},"pick":{"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":8.66,"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":8.66,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","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":8.66,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},"runnersUp":[{"id":"openrouter","slug":"openrouter","name":"OpenRouter","tagline":"Best multi-model router for agents that need failover and experimentation. Pin providers in production; don’t…","website":"https://openrouter.ai","overall":8,"scoreBand":{"low":7.4,"mid":8,"high":8.6,"halfWidth":0.6,"basis":"editorial_prior","display":"7.4–8.6 (editorial prior)"},"scoreLayers":{"editorialPrior":8,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14: Multi-provider LLM router with OpenAI-compatible API; pass-through model pricing plus small platform fee. Best for prototyping multi-model and failover; production should pin critical paths to direct providers.","scores":{"capabilityFit":8.8,"pricePerformance":7.8,"latencyReliability":7.6,"developerDx":9.2,"privacyPosture":6.8,"lockInRisk":4,"maturity":7.8,"overall":8,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"vantage","slug":"vantage","name":"Vantage","tagline":"Depot pick for unified cloud+GPU+LLM FinOps. Helicone/Langfuse still own request-path token tracing; Vantage…","website":"https://www.vantage.sh","overall":8.42,"scoreBand":{"low":7.8,"mid":8.4,"high":9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.8–9.0 (editorial prior)"},"scoreLayers":{"editorialPrior":8.42,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-10-24 (vantage.sh/pricing, fetched 2026-10-24): 'Simple, Fixed Pricing'. Starter 'Free' with '$2,500 of cloud spend' and '3 Users'; Pro '$30 /month' with '$7,500 of cloud spend' and '5 Users'; Business '$200 /month' with '$20,000 of cloud spend' and '10 Users' (Pro and Business: '14 Day Free Trial'); Enterprise 'Custom' with 'Unlimited tracked cloud spend', 'Automated FinOps Agent' and 'Unlimited Users'. Data retention '6 Months' (Starter, Pro) and '12 Months' (Business). '40+ Supported Providers', including AI providers 'Anthropic Anyscale Baseten Cartesia Cursor ElevenLabs Fireworks AI Modal OpenAI OpenRouter'. The feature comparison lists 'LLM Token Allocation', 'Terraform Provider' and 'MCP Server for AI'; per-tier availability and any add-on price for them are not stated in the page text.","scores":{"capabilityFit":8.6,"pricePerformance":9,"latencyReliability":8.6,"developerDx":8.8,"privacyPosture":7.8,"lockInRisk":4,"maturity":8.4,"overall":8.42,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"portkey","slug":"portkey","name":"Portkey","tagline":"Depot pick for production AI gateway (fallbacks, virtual keys, budgets). OpenRouter when you want a model…","website":"https://portkey.ai","overall":8.31,"scoreBand":{"low":7.7,"mid":8.3,"high":8.9,"halfWidth":0.6,"basis":"editorial_prior","display":"7.7–8.9 (editorial prior)"},"scoreLayers":{"editorialPrior":8.31,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","pricingNotes":"As of 2026-09-14 (portkey.ai/pricing): Developer free forever (10k logs/mo, 3-day log / 30-day metrics retention). Production $49/mo (100k logs, +$9/100k overage, 30/90-day retention, guardrails, RBAC). Enterprise custom (10M+ logs, VPC, HIPAA/BAA, private cloud). OSS self-host gateway available. Note: packaging increasingly tied to Palo Alto Prisma AIRS AI Gateway narrative — same lineage as catalogued prisma-airs enterprise SKU.","scores":{"capabilityFit":8.8,"pricePerformance":8.2,"latencyReliability":8.6,"developerDx":9,"privacyPosture":8.2,"lockInRisk":5,"maturity":8.2,"overall":8.31,"kind":"curated_estimate","confidence":"high","asOf":"2026-09-14"}},{"id":"helicone","slug":"helicone","name":"Helicone","tagline":"Maintenance mode since 2026-03-03 (Mintlify); site now says 'no longer part of Mintlify'. Runner-up only, not a pick.","website":"https://www.helicone.ai","overall":8.13,"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":8.13,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-10-19","pricingNotes":"Proxy/gateway logging; usage-based plans from low tens of $/mo; open-source components.","scores":{"capabilityFit":8.2,"pricePerformance":8.5,"latencyReliability":8.4,"developerDx":8.8,"privacyPosture":7.5,"lockInRisk":4,"maturity":8,"overall":8.13,"kind":"curated_estimate","confidence":"high","asOf":"2026-10-19"}}],"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":8.66,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"whyPickOverHigherScore":{"pickId":"langfuse","pickName":"Langfuse","pickScore":8.66,"highestScoredCandidateId":"langfuse","highestScoredCandidateName":"Langfuse","highestScore":8.66,"pickHasLowerCompositeScore":false,"delta":0,"pickLeadsOnDimensions":[],"explanation":"Langfuse (8.66) holds both the highest composite score among ranked candidates and the editorial pick for LLM cost monitoring: Editorial replacement 2026-10-21: the former pick Helicone (8.13 for this job) has been in maintenance mode since 2026-03-03 (https://www.mintlify.com/blog/mintlify-acquires-helicone: 'Helicone will continue operating in maintenance mode') and its site now says 'Helicone is no longer part of Mintlify. Details to come soon.' (https://www.helicone.ai/, re-checked 2026-10-21), so ownership and roadmap are unclear. Replaced by the highest-scoring live runner-up, Langfuse (8.66 for this job; cost tracking per model/user/feature, spend-threshold alerts and a Metrics API per https://langfuse.com/docs/observability/features/token-and-cost-tracking, re-checked 2026-10-21). Helicone stays a runner-up with the maintenance_mode flag. No score changed."},"cheapest":null,"recommendedWorkloadQuote":null,"representativeQuote":null,"estimatedTaskCost":null,"freeAlternatives":[],"referenceDocs":[],"falsification":{"jtbdId":"cost-monitoring","jtbdName":"LLM cost monitoring","currentPickId":"langfuse","currentPickScore":8.66,"challengerId":"openrouter","challengerScore":8,"currentScoreGap":0.66,"minVerifiedOutcomes":10,"requiredOutcomeMargin":0.81,"requiredSuccessRateDelta":0.15,"maxPickPriceIncreasePct":25,"whatWouldChangePick":["OpenRouter (openrouter) outperforms Langfuse (langfuse) by >= 0.81 outcome points (or >= 15% worked-rate delta) across >= 10 Countersign-verified production outcomes.","A verified price increase > 25% on Langfuse's representative SKU for cost-monitoring without a corresponding capability gain.","Live caller rail exhaustion (?exhausted=langfuse) 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":"openrouter","minVerifiedOutcomes":10,"requiredOutcomeMargin":0.81,"requiredWorkedRateDelta":0.15},{"kind":"verified_price_increase","providerId":"langfuse","maxPriceIncreasePct":25},{"kind":"live_rail_exhaustion_or_degradation","providerId":"langfuse","immediateOverrideUrl":"/api/decide?jtbd=cost-monitoring&exhausted=langfuse"}],"submissionSpec":{"falsifyEndpoint":"/api/falsify?jtbd=cost-monitoring","outcomesEndpoint":"POST /api/feedback","correctionsEndpoint":"POST /api/corrections","payloadTemplate":{"agentIdentity":"agent:<your-agent-id>","jtbdId":"cost-monitoring","providerId":"openrouter","outcome":"worked","detail":"Comparative production evaluation on cost-monitoring (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":["OpenRouter (openrouter) outperforms Langfuse (langfuse) by >= 0.81 outcome points (or >= 15% worked-rate delta) across >= 10 Countersign-verified production outcomes.","A verified price increase > 25% on Langfuse's representative SKU for cost-monitoring without a corresponding capability gain.","Live caller rail exhaustion (?exhausted=langfuse) or sustained >= 30% degraded/failed rate in verified production outcomes."],"routePlan":{"jtbdId":"cost-monitoring","primary":{"providerId":"langfuse","name":"Langfuse","overall":8.66,"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":8.66,"measuredBenchmark":null,"verifiedOutcomeScore":null,"verifiedOutcomeCount":0,"accountRuntimeState":"unprobed"},"pricingLastVerifiedAt":"2026-10-27","editorialPriorAsOf":"2026-09-14","role":"primary","reason":"Editorial Depot Pick for LLM cost monitoring; 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Details to come soon.' (https://www.helicone.ai/, re-checked 2026-10-21), so ownership and roadmap are unclear. Replaced by the highest-scoring live runner-up, Langfuse (8.66 for this job; cost tracking per model/user/feature, spend-threshold alerts and a Metrics API per https://langfuse.com/docs/observability/features/token-and-cost-tracking, re-checked 2026-10-21). Helicone stays a runner-up with the maintenance_mode flag. No score changed.","whenNotTopPick":"Need deep evals more than cost — Braintrust; need unified cloud+GPU+LLM bills not just token traces — Vantage; want a no-SDK drop-in proxy and accept maintenance-mode risk (since 2026-03-03, ownership unclear) — Helicone.","skipTopPick":false,"skipReason":null,"matchedConstraints":[],"pricingSummary":"Open-source + cloud; generous self-host; cloud from ~$29–59/mo tiers; EU-friendly.","cite":"Depot Pick for cost-monitoring: langfuse (asOf 2026-09-14). See GET /api/jtbds/cost-monitoring + GET /api/methodology.","nextActions":[{"step":1,"title":"Inspect full JTBD + embeds","href":"/api/jtbds/cost-monitoring?embed=providers","why":"Confirm pick, runners-up, and methodology notes."},{"step":2,"title":"Quote sourced SKUs","href":"/api/quote?jtbd=cost-monitoring","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/langfuse","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=cost-monitoring","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. 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Pick exit signals: open source (provider tag `oss`).","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 (v0.12.151), Depot Pick for cost-monitoring: langfuse, scores as of 2026-09-14, retrieved 2026-10-27. https://getagentdepot.com/jtbds/cost-monitoring","markdown":"[Agent Provider Depot](https://getagentdepot.com/jtbds/cost-monitoring) (v0.12.151) — Depot Pick for `cost-monitoring`: **langfuse** (scores as of 2026-09-14, retrieved 2026-10-27)","fields":{"publisher":"Agent Provider Depot","version":"0.12.151","role":"depot_pick","jtbdId":"cost-monitoring","providerId":"langfuse","scoreAsOf":"2026-09-14","retrievedOn":"2026-10-27","page":"https://getagentdepot.com/jtbds/cost-monitoring","api":"https://getagentdepot.com/api/decide?jtbd=cost-monitoring"},"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":"2026-09-14","ageDays":43,"stale":true,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-09-14","ageDays":43,"stale":true,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-27","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":"2026-09-14","editorialPriorAsOf":"2026-09-14","pricingLastVerifiedAt":"2026-10-27","pickLastReviewed":"2026-09-14","runnersUpScoreAsOf":["2026-09-14","2026-09-14","2026-09-14","2026-10-19"],"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":"Open-source + cloud; generous self-host; cloud from ~$29–59/mo tiers; EU-friendly.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://langfuse.com","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/cost-monitoring","jtbdApi":"/api/jtbds/cost-monitoring","leaderboard":"/api/leaderboards?jtbd=cost-monitoring","methodology":"/api/methodology","badge":"/api/badge?type=depot-pick&jtbd=cost-monitoring","decide":"/api/decide?jtbd=cost-monitoring","humanPage":"/jtbds/cost-monitoring","alternatives":"/api/alternatives?provider=langfuse","canonical":"/api/canonical","quote":"/api/quote?jtbd=cost-monitoring","falsify":"/api/falsify?jtbd=cost-monitoring"},"constraintBundle":{"task":null,"jtbd":"cost-monitoring","quotaExhausted":[],"degraded":[],"healthy":[],"budgetUsd":null,"maxLatencyMs":null,"region":null,"privacy":null,"exit":[],"existing":[]},"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). 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