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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 19.4k 1.9k

  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 149 166

Repositories

Showing 10 of 19 repositories
  • 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 149 MIT 166 19 46 Updated Dec 16, 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

    langfuse/langfuse’s past year of commit activity
    TypeScript 19,358 1,903 297 (2 issues need help) 160 Updated Dec 16, 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 308 MIT 218 1 20 Updated Dec 15, 2025
  • langfuse-k8s Public

    Community-maintained Kubernetes config and Helm chart for Langfuse

    langfuse/langfuse-k8s’s past year of commit activity
    Smarty 197 MIT 120 21 7 Updated Dec 15, 2025
  • langfuse-terraform-azure Public

    🪢 Terraform module to deploy Langfuse on Azure

    langfuse/langfuse-terraform-azure’s past year of commit activity
    HCL 27 MIT 20 3 (1 issue needs help) 2 Updated Dec 12, 2025
  • langfuse-terraform-gcp Public

    🪢 Terraform module to deploy Langfuse on GCP

    langfuse/langfuse-terraform-gcp’s past year of commit activity
    HCL 25 MIT 13 3 1 Updated Dec 12, 2025
  • langfuse-terraform-aws Public

    🪢 Terraform module to deploy Langfuse on AWS

    langfuse/langfuse-terraform-aws’s past year of commit activity
    HCL 41 MIT 25 6 0 Updated Dec 12, 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 94 MIT 73 3 6 Updated Dec 8, 2025
  • langfuse-examples Public

    Examples on how to deploy and use Langfuse

    langfuse/langfuse-examples’s past year of commit activity
    TypeScript 15 MIT 10 2 3 Updated Dec 2, 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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