LANGFUSE

HybridMixed licensingReviewed 2026-07-12

Trace what the model saw, what it returned, and how humans evaluated the result.

What it does

Tracing and evaluation for LLM applications.

Durable strength

Open-source core with self-hosting for sensitive traces.

Grounded guide

Ask Trace Steward

🤖 AI persona · grounded in Langfuse's public docs · not affiliated with Langfuse
Answers use Langfuse's public repository and documentation.

Private by default. Unpublished PRD checks are answered and not stored.

Human × AI · public proof

LANGFUSE COMMUNITY BOARD

Share a public PRD or repository, inspect read-only stack evidence, discuss trade-offs, and upvote the examples worth learning from.

Top community repositories

Public PRDs using Langfuse

Ranked by community upvotes, then public GitHub stars. Automated marker checks are narrow evidence—not an endorsement or a full repository audit.

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