Skip to content
@langfuse

Langfuse

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

Langfuse GitHub Banner


Langfuse uses Github Discussions for Support and Feature Requests.
We're hiring. Join us in product engineering and technical go-to-market roles.

MIT License Y Combinator W23 Docker Pulls langfuse Python package on PyPi langfuse npm package
chat on Discord follow on X(Twitter) follow on LinkedIn Commits last month Issues closed Discussion posts

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.

Pinned Loading

  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 23.5k 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 177 199

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 23,461 2,378 316 (2 issues need help) 271 Updated Mar 20, 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 177 MIT 199 20 62 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 22 MIT 15 2 5 Updated Mar 19, 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 363 MIT 253 3 22 Updated Mar 19, 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 123 82 3 11 Updated Mar 19, 2026
  • langfuse-cli Public

    use the langfuse API from your CLI

    langfuse/langfuse-cli’s past year of commit activity
    TypeScript 20 5 0 2 Updated Mar 19, 2026
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Go Template 226 MIT 134 28 14 Updated Mar 16, 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 32 MIT 2 1 1 Updated Mar 13, 2026
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 50 MIT 33 13 5 Updated Mar 7, 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 8 3 7 Updated Mar 4, 2026
View all repositories