langfuse/langfuse
🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
[view on github]last commit: Mar 4, 2026
stars
22,656
7d
+361
30d
+7,221
90d
+8,140
## star history