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Langfuse

Open-source LLM engineering platform for tracing and evaluation

Langfuse is an open-source LLM engineering platform for debugging, analyzing, and iterating on LLM applications. The platform is used by 19 of the Fortune 50 and 63 of the Fortune 500 and covers tracing, prompt management, evaluations, and datasets via SDK instrumentation or gateway integration.

Product

Langfuse provides tracing, prompt management, evaluation, and dataset tooling for LLM applications. Data can be captured via SDK instrumentation or gateway integration.

Licensing Tiers

The core platform — including OIDC SSO — is MIT-licensed open source. Advanced RBAC, audit retention, and SCIM are part of the Enterprise tier.

Company

Langfuse has a product and engineering office in Berlin and a smaller marketing and sales office in San Francisco.

tool

25.1k

★ stars

Kind: Company
Location: 🇩🇪 Berlin, DE

Website: langfuse.com ↗
X / Twitter: @langfuse
GitHub: langfuse ↗

langfuse

Open source LLM engineering platform. Debug, analyze and iterate together.

repos

26.5k

★ stars

members

Top repos

langfuse✓ listed25.1k

langfuse-python378

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Active1282 commits / 90dSynced today

Your brand here

Reach plant managers, engineers, and technology leaders evaluating manufacturing tools.

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Tools from Langfuse

Langfuse

LLM engineering platform for tracing, prompts, evaluation, and datasets

AI Infrastructure

MIT LLM engineering platform from Langfuse for tracing, prompt management, evaluation, and datasets, captured via SDK instrumentation or gateway integration. Core including OIDC SSO is in OSS; advanced RBAC, audit retention, and SCIM sit in the Enterprise tier.