The open-source LLM engineering platform
Traces, evals, prompt management and datasets for LLM apps: self-hostable with a generous cloud free tier.
The open-source LLM engineering platform: traces, prompt management, evals and datasets, OSS-core with cloud, beloved by agent builders. Acquired by ClickHouse (2026) while staying open.
Who it's for
Engineering teams who want open-source LLM tracing, evals and prompt management, self-hostable.
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Concepts in the glossary
2 in catalog
Langfuse features
1 in catalog
Langfuse implements
1 in catalog
Langfuse is written in
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Langfuse is an alternative to
4 in catalog