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 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 13k 1.2k

  2. 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 118 107

Repositories

Showing 10 of 16 repositories
  • 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

    Python 204 MIT 140 1 25 Updated Jun 24, 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

    Jupyter Notebook 118 MIT 107 29 13 Updated Jun 24, 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

    TypeScript 12,974 1,181 236 (11 issues need help) 84 Updated Jun 24, 2025
  • langfuse-js Public

    🪢 Langfuse JS/TS SDKs - Instrument your LLM app and get detailed tracing/observability. Works with any LLM or framework

    TypeScript 62 MIT 57 1 24 Updated Jun 24, 2025
  • langfuse-terraform-gcp Public

    🪢 Terraform module to deploy Langfuse on GCP

    HCL 9 MIT 7 1 1 Updated Jun 23, 2025
  • langfuse-java Public

    🪢 Auto-generated Java Client for Langfuse API

    Java 14 MIT 2 2 0 Updated Jun 23, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    Smarty 122 MIT 80 14 9 Updated Jun 16, 2025
  • langfuse-terraform-azure Public

    🪢 Terraform module to deploy Langfuse on Azure

    HCL 15 MIT 5 3 2 Updated Jun 4, 2025
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    HCL 20 MIT 6 2 0 Updated Jun 4, 2025
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    Java 3 MIT 0 0 0 Updated Apr 16, 2025
View all repositories