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langfuse / langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
pydantic / logfire
AI observability platform for production LLM and agent systems.
Popularity
Repository stars37,105Highest4,537
Fork4,168Highest353
Maintenance
Last push2026-11-062026-11-06
Maintenance notesNot verifiedNot verified
Repository created2023-05-182024-04-23
License & use
LicenseLicense not declaredMIT · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeModel and data evaluation · Observability · Self-hosted servicesModel and data evaluation · Observability
TypeApps & systemsApps & systems
SubcategoryOperationsOperations
PlatformNot verifiedNot verified
First collected2026-11-032026-11-03
LanguageTypeScriptPython
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Measured at 2026-11-06 UTC