{"subject":{"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","status":"active","overall":8.04,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","lastReviewed":"2026-09-14","categoryIds":["cat-observability","cat-train-finetune"],"regions":["global"],"pricing":{"normalizedUsdPerMillionTokens":null,"normalizationStatus":"unavailable","normalizationReason":"no_sourced_price","shape":"prose_notes_only","filterable":false,"priceSortEligible":false,"priceSortKeyUsdPerMillionInputTokens":null,"rows":[],"notesExcerpt":"Experiment tracking + W&B Weave/LLM tools; seat and usage based; free tiers for individuals.","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://wandb.ai","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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See research/gaps.md."},"decideHint":"/api/decide?jtbd=evals","human":"/providers/braintrust","compare":"/compare/weights-biases-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":0.62,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals","experiment-tracking","ml-dataset-versioning"],"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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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,"roles":["same_jtbd_runner"],"sharedJtbdSlugs":["evals","ml-dataset-versioning"],"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). 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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/weights-biases-vs-logfire"},{"id":"langwatch","slug":"langwatch","name":"LangWatch","tagline":"Strong when you need multi-turn/voice agent simulations with EU self-host. 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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/weights-biases-vs-langwatch"},{"id":"honeyhive","slug":"honeyhive","name":"HoneyHive","tagline":"Use the free Developer tier to stand up agent evals/traces in a day; Enterprise when you need self-host…","website":"https://www.honeyhive.ai","status":"active","overall":8.02,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":-0.02,"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 (honeyhive.ai/pricing): Developer free (no card) — 10k events/mo, 5 users, 1 workspace, 30-day retention, 1k RPM, evals + prompt versioning + CI. Enterprise custom (unlimited users/workspaces, SAML, custom retention, SLA, DPA/BAA, multi-tenant / single-tenant / h…","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.honeyhive.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/honeyhive","compare":"/compare/weights-biases-vs-honeyhive"},{"id":"confident-ai","slug":"confident-ai","name":"Confident AI","tagline":"Best when your team already thinks in pytest/DeepEval. Braintrust remains Depot hosted-evals default…","website":"https://www.confident-ai.com","status":"active","overall":7.99,"scoreKind":"curated_estimate","confidence":"high","scoreAsOf":"2026-09-14","deltaOverallVsSubject":-0.05,"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 (confident-ai.com/pricing): Free forever (2 seats, 1 project, 5 test runs/week, 1 GB-mo traces). Starter $200/mo (5 projects, 5 GB-mo then $1/GB-mo). Team $2,000/mo (unlimited projects, 75 GB-mo). Enterprise custom (on-prem, HIPAA, residency). Online eval tokens …","notesCheck":{"status":"no_known_contradiction","pairs":[],"review":null,"note":null},"lastReviewed":"2026-09-14","scoreAsOf":"2026-09-14","website":"https://www.confident-ai.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=evals","human":"/providers/confident-ai","compare":"/compare/weights-biases-vs-confident-ai"}],"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/weights-biases","machine":"/api/alternatives?provider=weights-biases","provider":"/api/providers/weights-biases","canonical":"/api/canonical"}}