{"id":"llm-tracing","slug":"llm-tracing","name":"LLM/agent tracing","shortName":"LLM/agent tracing","problemStatement":"See prompts, tool calls, latency, and failures in production.","whenNotTopPick":"Deep LangChain shop — LangSmith. Want proxy in 10 minutes — Helicone. OSS-only — Phoenix. Python/PydanticAI traces + app OTel together — Logfire. Free eval+trace SKU — HoneyHive.","categoryIds":["cat-observability"],"depotPickProviderId":"langfuse","depotPickRationale":"dx + pricePerf + privacy (self-host option).","runnersUpIds":["helicone","langsmith","arize-phoenix","portkey","langwatch","comet-opik","logfire","honeyhive"],"weights":{"capabilityFit":0.2,"pricePerformance":0.12,"latencyReliability":0.12,"developerDx":0.12,"privacyPosture":0.25,"lockInRisk":0.09,"maturity":0.1},"methodologyNotes":"dx + pricePerf + privacy (self-host option).","tags":["llm"],"depth":{"whenNotToUse":{"text":"Deep LangChain shop — LangSmith. Want proxy in 10 minutes — Helicone. OSS-only — Phoenix. Python/PydanticAI traces + app OTel together — Logfire. Free eval+trace SKU — HoneyHive.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"helicone","name":"Helicone","overallForJob":7.94,"pickOverallForJob":8.62,"beatsPickOn":[],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":2.5,"runnerUpLockInRisk":4,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":["open source (provider tag `oss`)"],"runnerUpExitSignals":[],"pickNotes":[{"text":"You operate it if self-hosting","field":"weaknesses"}],"selfHostFallback":[{"id":"langfuse-oss","name":"Langfuse self-host","license":"MIT Expat outside ee/","sourceUrl":"https://github.com/langfuse/langfuse/blob/main/LICENSE"}],"migration":"The pick has lower stored lock-in risk than runner-up Helicone (2.5 vs 4). Pick exit signals: open source (provider tag `oss`). Self-host fallback listed for this job: Langfuse self-host.","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}}}}