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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 18.6k 1.8k

  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 144 156

Repositories

Showing 10 of 19 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 18,595 1,807 270 (2 issues need help) 167 Updated Nov 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

    langfuse/langfuse-docs’s past year of commit activity
    Jupyter Notebook 144 MIT 156 18 36 Updated Nov 24, 2025
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    langfuse/langfuse-examples’s past year of commit activity
    TypeScript 12 MIT 7 2 3 Updated Nov 24, 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 298 MIT 209 1 17 Updated Nov 24, 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 86 MIT 69 3 6 Updated Nov 24, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 187 MIT 116 22 5 Updated Nov 24, 2025
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 39 MIT 25 5 0 Updated Nov 14, 2025
  • langfuse-terraform-gcp Public

    🪢 Terraform module to deploy Langfuse on GCP

    langfuse/langfuse-terraform-gcp’s past year of commit activity
    HCL 23 MIT 13 3 1 Updated Nov 3, 2025
  • langfuse-terraform-azure Public

    🪢 Terraform module to deploy Langfuse on Azure

    langfuse/langfuse-terraform-azure’s past year of commit activity
    HCL 26 MIT 16 2 (1 issue needs help) 2 Updated Nov 3, 2025
  • langfuse-api-reference Public
    langfuse/langfuse-api-reference’s past year of commit activity
    HTML 3 MIT 2 0 0 Updated Oct 20, 2025
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