Langfuse

Open-source LLM engineering platform with tracing, evals, prompt management, and analytics.

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Langfuse is an open-source LLM engineering platform combining tracing and observability, versioned prompt management, evaluations, datasets, and a playground so teams can develop, monitor, and debug AI applications. It integrates with OpenTelemetry, LangChain, and major SDKs, self-hosted or via managed cloud.

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