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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 16.1k 1.5k

  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 139 130

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 16,143 1,511 212 (4 issues need help) 138 Updated Sep 16, 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 139 MIT 130 11 34 Updated Sep 15, 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 259 MIT 177 2 10 Updated Sep 15, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 157 MIT 100 15 6 Updated Sep 15, 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 78 MIT 67 1 7 Updated Sep 15, 2025
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    langfuse/langfuse-examples’s past year of commit activity
    Python 6 MIT 4 1 1 Updated Sep 12, 2025
  • terraform-provider-langfuse Public

    [WIP] Community-maintained Terraform Provider for Langfuse

    langfuse/terraform-provider-langfuse’s past year of commit activity
    Go 2 MIT 0 0 0 Updated Sep 12, 2025
  • langfuse-api-reference Public
    langfuse/langfuse-api-reference’s past year of commit activity
    HTML 2 MIT 2 0 0 Updated Aug 28, 2025
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 30 MIT 19 5 0 Updated Aug 21, 2025
  • langfuse-terraform-azure Public

    🪢 Terraform module to deploy Langfuse on Azure

    langfuse/langfuse-terraform-azure’s past year of commit activity
    HCL 24 MIT 11 1 1 Updated Aug 21, 2025
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