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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 OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

    TypeScript 9.3k 855

  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 90 82

Repositories

Showing 10 of 13 repositories
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 85 MIT 51 5 3 Updated Mar 12, 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 90 MIT 82 5 11 Updated Mar 12, 2025
  • langfuse Public

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

    langfuse/langfuse’s past year of commit activity
    TypeScript 9,287 855 192 (13 issues need help) 44 Updated Mar 12, 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 44 MIT 42 2 15 Updated Mar 12, 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 146 MIT 120 1 16 Updated Mar 12, 2025
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    langfuse/langfuse-examples’s past year of commit activity
    Java 1 MIT 0 0 0 Updated Mar 10, 2025
  • langfuse-java Public

    🪢 Auto-generated Java Client for Langfuse API

    langfuse/langfuse-java’s past year of commit activity
    Java 4 MIT 0 0 0 Updated Mar 10, 2025
  • langfuse/langfuse-vercel-ai-nextjs-example’s past year of commit activity
    TypeScript 4 4 0 0 Updated Mar 4, 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 20 MIT 3 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
    86 MIT 3 1 0 Updated Feb 15, 2025