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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.

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

    TypeScript 10.4k 951

  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 91 87

Repositories

Showing 10 of 14 repositories
  • 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 10,386 951 228 (13 issues need help) 49 Updated Apr 16, 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 91 MIT 87 6 9 Updated Apr 16, 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 48 MIT 45 1 20 Updated Apr 15, 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 161 MIT 125 1 20 Updated Apr 15, 2025
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 5 MIT 3 0 0 Updated Apr 15, 2025
  • langfuse-api-reference Public
    langfuse/langfuse-api-reference’s past year of commit activity
    HTML 2 MIT 2 0 0 Updated Apr 15, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 95 MIT 59 10 6 Updated Apr 8, 2025
  • langfuse-java Public

    🪢 Auto-generated Java Client for Langfuse API

    langfuse/langfuse-java’s past year of commit activity
    Java 8 MIT 1 2 0 Updated Mar 27, 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 25, 2025
  • langfuse-vercel-ai-nextjs-example Public
    langfuse/langfuse-vercel-ai-nextjs-example’s past year of commit activity
    TypeScript 4 4 0 0 Updated Mar 4, 2025
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