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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 24k 2.4k

  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

    MDX 179 202

Repositories

Showing 10 of 18 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 24,044 2,419 328 (2 issues need help) 265 Updated Mar 30, 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 370 MIT 256 4 30 Updated Mar 30, 2026
  • 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
    MDX 179 MIT 202 23 75 Updated Mar 30, 2026
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Go Template 225 MIT 135 28 14 Updated Mar 30, 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 125 84 3 15 Updated Mar 29, 2026
  • skills Public

    Agent Skills for Langfuse, the open source LLM engineering platform for tracing, prompt management, and evaluation

    langfuse/skills’s past year of commit activity
    Python 47 MIT 5 1 2 Updated Mar 27, 2026
  • langfuse-cli Public

    use the langfuse API from your CLI

    langfuse/langfuse-cli’s past year of commit activity
    TypeScript 23 6 0 0 Updated Mar 25, 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 21 3 2 Updated Mar 20, 2026
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    langfuse/langfuse-examples’s past year of commit activity
    TypeScript 24 MIT 17 2 5 Updated Mar 19, 2026
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 52 MIT 35 13 5 Updated Mar 7, 2026
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