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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 21.8k 2.1k

  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 171 179

Repositories

Showing 10 of 17 repositories
  • 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 171 MIT 179 24 57 Updated Feb 11, 2026
  • 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 21,782 2,141 310 (3 issues need help) 202 Updated Feb 11, 2026
  • 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 344 MIT 237 2 22 Updated Feb 11, 2026
  • 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 116 76 3 11 Updated Feb 11, 2026
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Go Template 214 MIT 127 28 12 Updated Feb 9, 2026
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 47 MIT 30 11 0 Updated Jan 23, 2026
  • skills Public

    AI agent skills for Langfuse

    langfuse/skills’s past year of commit activity
    5 0 0 0 Updated Jan 23, 2026
  • langfuse-terraform-gcp Public

    🪢 Terraform module to deploy Langfuse on GCP

    langfuse/langfuse-terraform-gcp’s past year of commit activity
    HCL 27 MIT 19 3 2 Updated Jan 23, 2026
  • langfuse-java Public

    🪢 Auto-generated Java Client for Langfuse API

    langfuse/langfuse-java’s past year of commit activity
    Java 46 MIT 7 6 0 Updated Jan 5, 2026
  • terraform-provider-langfuse Public

    [Beta] Community-maintained Terraform Provider for Langfuse

    langfuse/terraform-provider-langfuse’s past year of commit activity
    Go 12 MIT 3 1 2 Updated Jan 5, 2026