Langfuse

77.9 / 100 · #15 overall Ranked

Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.

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Pricing typeopen-source
Websitehttps://langfuse.com
GitHublangfuse/langfuse · 35,914 ★
Use casesLLM observability & evals (#1)

Score breakdown

ComponentPointsEvidence
Traction verified
15.4/2510 HN stories linking to it (12 mo), pctl 77% in all tools; 35,914 GitHub stars, pctl 46% in all open-source tools; blended 50/50
Momentum provisional
7.5/15Needs 30 days of score history; neutral midpoint
Product quality verified
25/257/7 checklist items found on live site (checked )
Value verified
15/15Open-source repo langfuse/langfuse
Reliability / freshness verified
10/10Homepage check 2026-10-16: HTTP 200
Editor / community rating provisional
5/10No ratings yet; neutral 5/10

Product-quality checklist

✅ Docs/helphttps://langfuse.com/docs
✅ Pricing pagehttps://langfuse.com/pricing
✅ API/developershttps://langfuse.com/docs/api-and-data-platform/overview
✅ Privacy policyhttps://langfuse.com/privacy
✅ Termshttps://langfuse.com/terms
✅ Changelog/bloghttps://langfuse.com/changelog
✅ Security/compliancehttps://langfuse.com/security/gdpr

Data checked 2026-10-16. Think this is wrong? Dispute a score.