Langfuse

HybridMixed licensingReviewed 2026-07-12

Observability & evaluation

What it does

Tracing and evaluation for LLM applications.

Durable strength

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

Verify before adoption

⚠️ What prompt/response data is stored, where, and for how long.

Contribute

Spotted something stale?Suggest a correction ·view the source data ·read the methodology.