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@langfuse

Langfuse

Open source LLM engineering platform. Debug, analyze and iterate together.
README.md

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Langfuse: Open Source LLM Engineering Platform

LLM Observability, Prompt Management, LLM Evaluations,
Datasets, LLM Metrics, and Prompt Playground

Langfuse uses Github Discussions for Support and Feature Requests.
We're hiring. Join us in Product Engineering and Developer Relations.

MIT License Y Combinator W23 Docker Image langfuse Python package on PyPi langfuse npm package

Langfuse Overview

Langfuse Overview Video

Learn more

See the langfuse/langfuse readme and docs for more details.

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  1. langfuse langfuse Public

    🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with LlamaIndex, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

    TypeScript 8.2k 746

  2. langfuse-docs langfuse-docs Public

    🪢 Langfuse documentation -- Langfuse is the open source LLM Engineering Platform. Observability, evals, prompt management, playground and metrics to debug and improve LLM apps

    Jupyter Notebook 73 71

Repositories

Showing 9 of 9 repositories
  • langfuse Public

    🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with LlamaIndex, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

    langfuse/langfuse’s past year of commit activity
    TypeScript 8,179 746 147 (13 issues need help) 45 Updated Feb 1, 2025
  • langfuse-docs Public

    🪢 Langfuse documentation -- Langfuse is the open source LLM Engineering Platform. Observability, evals, prompt management, playground and metrics to debug and improve LLM apps

    langfuse/langfuse-docs’s past year of commit activity
    Jupyter Notebook 73 MIT 71 3 7 Updated Feb 1, 2025
  • langfuse-python Public

    🪢 Langfuse Python SDK - Instrument your LLM app with decorators or low-level SDK and get detailed tracing/observability. Works with any LLM or framework

    langfuse/langfuse-python’s past year of commit activity
    Python 128 MIT 110 1 18 Updated Jan 31, 2025
  • langfuse-js Public

    🪢 Langfuse JS/TS SDKs - Instrument your LLM app and get detailed tracing/observability. Works with any LLM or framework

    langfuse/langfuse-js’s past year of commit activity
    TypeScript 40 MIT 40 1 19 Updated Jan 30, 2025
  • langfuse-api-reference Public
    langfuse/langfuse-api-reference’s past year of commit activity
    HTML 2 MIT 2 0 0 Updated Jan 30, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 69 MIT 44 11 3 Updated Jan 22, 2025
  • .github Public
    langfuse/.github’s past year of commit activity
    0 MIT 0 0 0 Updated Dec 17, 2024
  • langfuse-vercel-ai-nextjs-example Public
    langfuse/langfuse-vercel-ai-nextjs-example’s past year of commit activity
    TypeScript 3 3 0 0 Updated Aug 2, 2024
  • ai-chatbot Public archive

    Reference integration of Langfuse Typescript SDK in Chat Application

    langfuse/ai-chatbot’s past year of commit activity
    TypeScript 13 3 0 0 Updated Feb 1, 2024