Why Langfuse?

Open Source

Developer First

  • Langfuse is built for developers.
  • We are creating a technical product with great developer experience.
  • Langfuse is powerful yet simple, allowing you to build custom logic on top of it.

Built for Complex Use Cases

  • We designed Langfuse with complex, nested LLM calls in mind.
  • Langfuse enables hierarchical representations of your application in traces.
  • We go beyond Input/Output to include all the context of your app.

No Lock-In

  • We are building Langfuse to be a core part of your stack.
  • Langfuse has open APIs (opens in a new tab) to integrate with your infrastructure.
  • Langfuse is model and framework agnostic, aiming for interoperability of our integrations.

Comprehensive Feature Set

  • We are building the core development tool you need to build robust LLM applications – more on this here.
  • Tracing lies at our core. If a feature integrates well with traces, we will build it.

Security and Compliance

  • We take security and compliance seriously.
  • Privacy: You can choose to host in the EU or the US. We are GDPR compliant.
  • Security: Langfuse Cloud is ISO 27001 and SOC 2 Type 2 certified.
  • More details in our Security and Privacy Center.

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