{"subject":{"id":"launchdarkly","slug":"launchdarkly","name":"LaunchDarkly","tagline":"Depot pick for progressive delivery of agent prompts/models/tools in production. Statsig if you want cheaper…","website":"https://launchdarkly.com","status":"active","overall":8.2,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","lastReviewed":"2026-09-14","categoryIds":["cat-observability"],"regions":["global","us"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (launchdarkly.com/pricing): Developer $0 — unlimited seats, 5 service connections, 1k client MAU, 5k AI runs/mo, 14-day AgentControl retention. Foundation PAYG (yearly): $10/service connection/mo + $8.33/1k client MAU/mo; 5k AI runs included then $5/1k; 30-day re…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://launchdarkly.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."}},"relatedJtbdSlugs":["evals","progressive-agent-rollout","oss-feature-flags"],"alternatives":[{"id":"growthbook","slug":"growthbook","name":"GrowthBook","tagline":"OSS/commercial peer to LaunchDarkly/Statsig for progressive agent rollout. 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CDN overages $10/M…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.growthbook.io","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."},"decideHint":"/api/decide?jtbd=progressive-agent-rollout","human":"/providers/growthbook","compare":"/compare/launchdarkly-vs-growthbook"},{"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","status":"active","overall":8.23,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-10-19","deltaOverallVsSubject":0.03,"roles":["same_jtbd_pick","same_jtbd_runner"],"sharedJtbdSlugs":["evals","progressive-agent-rollout"],"pricing":{"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":"2026-10-19","scoreAsOf":"2026-10-19","website":"https://www.braintrust.dev","doNotParse":"Do not parse pricingNotes. 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See research/gaps.md."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/braintrust","compare":"/compare/launchdarkly-vs-braintrust"},{"id":"langfuse","slug":"langfuse","name":"Langfuse","tagline":"Depot default observability for most agent teams: open, affordable, good enough to serious.","website":"https://langfuse.com","status":"active","overall":8.66,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.46,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals","progressive-agent-rollout"],"pricing":{"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. 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Prefer for kill-switches and audited rollouts; GrowthBook when experiments are the…","website":"https://www.getunleash.io","status":"active","overall":8.43,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.23,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["progressive-agent-rollout","oss-feature-flags"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (getunleash.io/pricing): Open Source free self-host (limits: 1 project, 2 envs, 5k flags). Enterprise PAYG $75/seat/mo (5-seat min self-host), 53M API req/mo then $5/M, 99.9% uptime, card billing. Custom Enterprise annual (99.99%, CS, private instance/Edge add-on…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.getunleash.io","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."},"decideHint":"/api/decide?jtbd=progressive-agent-rollout","human":"/providers/unleash","compare":"/compare/launchdarkly-vs-unleash"},{"id":"posthog","slug":"posthog","name":"PostHog","tagline":"Flags/analytics peer. Depot oss-feature-flags pick stays GrowthBook; LaunchDarkly for AgentControl; PostHog…","website":"https://posthog.com","status":"active","overall":8.41,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.21,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["progressive-agent-rollout","oss-feature-flags"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (posthog.com/pricing): Generous free product quotas (e.g. 1M analytics events / flags / error tracking bands — exact free units on calculator). Usage-based per product with billing limits; EU cloud (Frankfurt) available. Session replay, LLM analytics, workflows m…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://posthog.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."},"decideHint":"/api/decide?jtbd=progressive-agent-rollout","human":"/providers/posthog","compare":"/compare/launchdarkly-vs-posthog"},{"id":"statsig","slug":"statsig","name":"Statsig","tagline":"Best price/perf flags+experiments for product agents. Confirm Amplitude commercial terms at renewal…","website":"https://www.statsig.com","status":"active","overall":8.33,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.13,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["progressive-agent-rollout","oss-feature-flags"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (statsig.com/pricing): Developer free — 2M events/mo, unlimited flag/config checks, 50k replays, 1-yr analytics. Pro $150/mo — 5M events then $0.05/1k, 100k replays, unlimited retention, change reviews. Enterprise custom (warehouse-native, SSO/RBAC, HIPAA BAA). O…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.statsig.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."},"decideHint":"/api/decide?jtbd=progressive-agent-rollout","human":"/providers/statsig","compare":"/compare/launchdarkly-vs-statsig"},{"id":"flagsmith","slug":"flagsmith","name":"Flagsmith","tagline":"GrowthBook remains Depot OSS flags pick (experimentation + flags). Flagsmith when you want flags-first…","website":"https://www.flagsmith.com","status":"active","overall":8.21,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.01,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["progressive-agent-rollout","oss-feature-flags"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (flagsmith.com/pricing): Free 50k req/mo, 1 seat. Start-Up $45/mo ($40 annual) — 1M req, 3 seats, 2FA, A/B. Scale-Up $300/mo ($250 annual) — 5M+ req, 5 seats (extra $60/$50), SAML/SSO, change-requests. Overage ~$50/M then $7/100k on Start-Up after grace. OSS self…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.flagsmith.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."},"decideHint":"/api/decide?jtbd=progressive-agent-rollout","human":"/providers/flagsmith","compare":"/compare/launchdarkly-vs-flagsmith"},{"id":"arize-phoenix","slug":"arize-phoenix","name":"Arize Phoenix","tagline":"Choose Phoenix when you want open-source observability you can own. Cloud Arize when enterprise wants a…","website":"https://phoenix.arize.com","status":"active","overall":8.44,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.24,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"Open-source Phoenix free to self-host; Arize AX cloud paid; OpenTelemetry-friendly.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://phoenix.arize.com","doNotParse":"Do not parse pricingNotes. Use rows only. normalizedUsdPerMillionTokens is a single number only when this provider has exactly one sourced token row. 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Langfuse stays Depot…","website":"https://pydantic.dev/logfire","status":"active","overall":8.33,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":0.13,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (pydantic.dev/pricing): Personal free — 10M records/mo hard-capped, 1 seat, 3 projects, 30d. Team $49/mo (5 seats, $25 extra, 10M then $2/M, spend cap). Growth $249/mo unlimited seats/projects, up to 90d, BAA boilerplate. Enterprise cloud/dedicated/self-host. $0/…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://pydantic.dev/logfire","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."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/logfire","compare":"/compare/launchdarkly-vs-logfire"},{"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","status":"active","overall":8.09,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":-0.11,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"Seat + trace volume pricing; deep LangChain/LangGraph integration; Plus tiers from tens of $/mo.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.langchain.com/langsmith","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."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/langsmith","compare":"/compare/launchdarkly-vs-langsmith"},{"id":"langwatch","slug":"langwatch","name":"LangWatch","tagline":"Strong when you need multi-turn/voice agent simulations with EU self-host. Langfuse default tracing…","website":"https://langwatch.ai","status":"active","overall":8.06,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":-0.14,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14 (langwatch.ai/pricing): Developer free (50k events/mo, 14-day access, 2 users). Growth €29/core-seat/mo + 200k events then €5/100k; 30-day retention then €3/GB. Enterprise hybrid/self-host/on-prem + marketplace billing. Scenario SDK OSS (Python+TS); voice agent s…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://langwatch.ai","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."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/langwatch","compare":"/compare/launchdarkly-vs-langwatch"},{"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/","status":"active","overall":8.04,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":-0.16,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"As of 2026-09-14: 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.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.comet.com/site/products/opik/","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."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/comet-opik","compare":"/compare/launchdarkly-vs-comet-opik"}],"rankContract":{"style":"editorial_weighted","notAnElo":true,"note":"deltaOverallVsSubject is Depot overall (0–10) minus the subject. It is not Arena Elo and not an Artificial Analysis index."},"freshness":{"scoreAsOfMin":"2026-09-14","scoreAsOfMax":"2026-10-19","contractAsOf":"2026-10-03"},"honesty":["Alternatives are other catalog providers that share a JTBD as pick or runner-up. If fewer than three exist, same-category active providers fill the list and are labeled same_category.","Overall deltas are catalog scores. kind=curated_estimate is not a lab measurement.","Pricing rows are sourced or explicitly null. Do not parse pricingNotes. A single normalized USD figure is set only for a provider with exactly one token row."],"links":{"human":"/alternatives/launchdarkly","machine":"/api/alternatives?provider=launchdarkly","provider":"/api/providers/launchdarkly","canonical":"/api/canonical"}}