{"id":"ml-dataset-versioning","slug":"ml-dataset-versioning","name":"Dataset & experiment versioning for agents","shortName":"Dataset versioning","problemStatement":"Version eval sets, traces-as-data, and fine-tune corpora with lineage so agent improvements are reproducible.","whenNotTopPick":"LangSmith/Braintrust already store datasets next to traces, or Comet Opik is standard.","categoryIds":["cat-train-finetune"],"depotPickProviderId":"weights-biases","depotPickRationale":"MLOps maturity. Confidence: high for W&B; agent-specific dataset UX varies.","runnersUpIds":["langsmith","braintrust","comet-opik","langfuse"],"weights":{"capabilityFit":0.22,"pricePerformance":0.14,"latencyReliability":0.14,"developerDx":0.28,"privacyPosture":0.08,"lockInRisk":0.06,"maturity":0.08},"methodologyNotes":"MLOps maturity. Confidence: high for W&B; agent-specific dataset UX varies.","tags":["datasets","versioning","mlops","lineage"],"depth":{"whenNotToUse":{"text":"LangSmith/Braintrust already store datasets next to traces, or Comet Opik is standard.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"langsmith","name":"LangSmith","overallForJob":8.25,"pickOverallForJob":8.09,"beatsPickOn":["capabilityFit","pricePerformance","developerDx"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":5.5,"runnerUpLockInRisk":6.5,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":[],"pickNotes":[],"selfHostFallback":[],"migration":"The pick has lower stored lock-in risk than runner-up LangSmith (5.5 vs 6.5).","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."}},"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}}}}