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langfuse

langfuse

by langfuse · GitHub

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

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31.6k
🍴 Forks
3.3k
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📜 License
License not specified
📅 Created
2023
🔄 Last commit
today
🏷️ Category
analytics
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📈 Star history
32k30k
2026-06-272026-07-22
📄 About

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

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What is langfuse?

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Is langfuse open source?

langfuse is an open-source project.

Is langfuse free?

Yes. langfuse is free and open source — you can use, modify and self-host it.

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