{"id":"production-guardrail-evals","slug":"production-guardrail-evals","name":"Production guardrails & hallucination monitoring","shortName":"Production guardrails & hallucination mo…","problemStatement":"Detect and block bad outputs in production with research-grade metrics.","whenNotTopPick":"Pre-release simulation focus — Maxim; lightweight CI — Promptfoo.","categoryIds":["cat-observability"],"depotPickProviderId":"galileo","depotPickRationale":"Capability of guardrails + maturity.","runnersUpIds":["braintrust","maxim","langsmith","arthur-ai","patronus","confident-ai","honeyhive"],"weights":{"capabilityFit":0.26,"pricePerformance":0.12,"latencyReliability":0.12,"developerDx":0.22,"privacyPosture":0.12,"lockInRisk":0.08,"maturity":0.08},"methodologyNotes":"Capability of guardrails + maturity.","tags":["production"],"depth":{"whenNotToUse":{"text":"Pre-release simulation focus — Maxim; lightweight CI — Promptfoo.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"braintrust","name":"Braintrust","overallForJob":8.28,"pickOverallForJob":7.51,"beatsPickOn":["capabilityFit","pricePerformance","latencyReliability","developerDx","lockInRisk","maturity"],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":6,"runnerUpLockInRisk":5,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":[],"pickNotes":[],"selfHostFallback":[{"id":"guardrails","name":"Guardrails AI","license":"Apache-2.0","sourceUrl":"https://raw.githubusercontent.com/guardrails-ai/guardrails/main/LICENSE"}],"migration":"Runner-up Braintrust has lower stored lock-in risk (5 vs 6, 0–10, higher = more lock-in). Self-host fallback listed for this job: Guardrails AI.","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":3,"sourcesReachable":3,"pricingRows":2,"pricingRowsReconfirmed":2,"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}}},"depotPick":{"id":"galileo","slug":"galileo","name":"Galileo","tagline":"Pick for production hallucination measurement + guardrails. Braintrust/Promptfoo for lighter eval loops.","overall":7.51},"runnersUp":[{"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…","overall":8.28},{"id":"maxim","slug":"maxim","name":"Maxim AI","tagline":"Pick Maxim when pre-release agent simulation is the pain and seats are few. Braintrust for general evals…","overall":7.53},{"id":"langsmith","slug":"langsmith","name":"LangSmith","tagline":"If you live in LangGraph, LangSmith is the obvious observatory. Otherwise compare Langfuse/Helicone first.","overall":8.14},{"id":"arthur-ai","slug":"arthur-ai","name":"Arthur AI","tagline":"Monitoring/evals peer with a real $60 Premium. Prefer Braintrust/Langfuse for tracing defaults; Arthur when…","overall":7.87},{"id":"patronus","slug":"patronus","name":"Patronus AI","tagline":"Layer on when regulated hallucination/safety gates matter more than general CI evals. Lakera for injection…","overall":7.37},{"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…","overall":8.06},{"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…","overall":8.08}]}