{"id":"progressive-agent-rollout","slug":"progressive-agent-rollout","name":"Progressive rollout of agent prompts, models, and tools","shortName":"Progressive rollout of agent prompts, models, and tools","problemStatement":"Ship a new prompt, model, or tool to 1% of agent traffic, eval online, and auto-rollback without a deploy.","whenNotTopPick":"Want cheaper flags+experiments in one product and can tolerate Amplitude-era Statsig packaging — Statsig; only need offline evals not traffic splitting — Braintrust/Promptfoo.","categoryIds":["cat-observability"],"depotPickProviderId":"launchdarkly","depotPickRationale":"reliability of flag delivery + agent-specific DX. LaunchDarkly AgentControl is the purpose-built SKU; Statsig wins pricePerf. Distinct from evals (CI quality) — this is production traffic control.","runnersUpIds":["statsig","braintrust","langfuse","growthbook","unleash","flagsmith","posthog"],"weights":{"capabilityFit":0.25,"pricePerformance":0.18,"latencyReliability":0.15,"developerDx":0.15,"privacyPosture":0.1,"lockInRisk":0.07,"maturity":0.1},"methodologyNotes":"reliability of flag delivery + agent-specific DX. LaunchDarkly AgentControl is the purpose-built SKU; Statsig wins pricePerf. Distinct from evals (CI quality) — this is production traffic control.","tags":["progressive"],"depth":{"whenNotToUse":{"text":"Want cheaper flags+experiments in one product and can tolerate Amplitude-era Statsig packaging — Statsig; only need offline evals not traffic splitting — Braintrust/Promptfoo.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"statsig","name":"Statsig","overallForJob":8.33,"pickOverallForJob":8.2,"beatsPickOn":["pricePerformance","developerDx","lockInRisk"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":5.8,"runnerUpLockInRisk":4.8,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":[],"pickNotes":[],"selfHostFallback":[],"migration":"Runner-up Statsig has lower stored lock-in risk (4.8 vs 5.8, 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."}},"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":2,"sourcesReachable":2,"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}}}}