Back to directory
Langfuse logo

Langfuse

Free28,371

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Int

About

This open source platform tracks how your LLM applications perform in production, measuring quality through metrics and evaluations. It's built for teams managing prompts and testing different model configurations. You can integrate it with OpenAI, Langchain, LiteLLM, and other tools you already use.

Key Features

  • analytics
  • autogen
  • evaluation
  • langchain
  • large-language-models

Pricing

Free

Open source. You supply your own LLM API keys.

Categories

Data Analysis

Details

VerifiedJuly 8, 2026
GitHub stars28,371