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Langfuse

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

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Langfuse is an open source LLM engineering platform. It helps teams collaboratively develop, monitor, evaluate, and debug AI applications. Langfuse can be self-hosted in minutes and is battle-tested.

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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 8.7k 793

  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 81 74

Repositories

Showing 10 of 11 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 8,666 793 168 (14 issues need help) 42 Updated Feb 19, 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 81 MIT 74 3 8 Updated Feb 19, 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 134 MIT 116 1 17 Updated Feb 18, 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 41 MIT 41 1 15 Updated Feb 17, 2025
  • mcp-server-langfuse Public

    Model Context Protocol (MCP) Server for Langfuse Prompt Management. This server allows you to access and manage your Langfuse prompts through the Model Context Protocol.

    langfuse/mcp-server-langfuse’s past year of commit activity
    TypeScript 12 MIT 2 0 2 Updated Feb 16, 2025
  • oss-llmops-stack Public

    Modular, open source LLMOps stack that separates concerns: LiteLLM unifies LLM APIs, manages routing and cost controls, and ensures high-availability, while Langfuse focuses on detailed observability, prompt versioning, and performance evaluations.

    langfuse/oss-llmops-stack’s past year of commit activity
    31 MIT 2 0 0 Updated Feb 16, 2025
  • .github Public
    langfuse/.github’s past year of commit activity
    0 MIT 1 0 0 Updated Feb 12, 2025
  • langfuse/langfuse-api-reference’s past year of commit activity
    HTML 2 MIT 2 0 0 Updated Jan 29, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 76 MIT 48 13 3 Updated Jan 22, 2025
  • langfuse/langfuse-vercel-ai-nextjs-example’s past year of commit activity
    TypeScript 4 3 0 0 Updated Aug 2, 2024