AI Agents

Langfuse

An open-source AI engineering platform for traces, evaluations, prompts, and LLM metrics.

Langfuse helps teams observe, debug, evaluate, and improve LLM applications. It is valuable for founders building AI products because it brings traces, prompt management, metrics, and evaluation workflows into one platform designed around practical AI engineering.

Launched June 7, 2026
Updated June 13, 2026
Open source
Global
Quality score 89
Langfuse interface preview

Best for

AI engineers, LLM app builders, and technical AI startup teams

Founder

Langfuse team, Product team

Tags

Evals Llm Observability Prompt Management

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Langfuse AI engineering platform preview

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