Langfuse
Open Source LLM Engineering Platform
5.0•47 reviews•2.3K followers
Open Source LLM Engineering Platform
5.0•47 reviews•2.3K followers
Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. All platform features are natively integrated to accelerate the development workflow.
Langfuse is open. It works with any model, any framework, allows for complex nesting, and has open APIs to build downstream use cases.
Docs: https://langfuse.com/docs
Github: https://github.com/langfuse/langfuse
Langfuse Reviews
The community submitted 47 reviews to tell us what they like about Langfuse, what Langfuse can do better, and more.
5.0
Based on 47 reviews
Review Langfuse?
Reviewers mostly see Langfuse as a dependable way to trace, debug, and monitor LLM apps, with repeated praise for prompt versioning, analytics around cost, latency, tokens, and hallucinations, plus easy integration through SDKs. Users also value self-hosting, especially for regulated setups, and say it helps them find edge cases and stabilize systems faster. A caveat appears around complex, long-running agent workflows, where traces can get hard to read. Founders of Magic Patterns and Agentplace similarly credit it for core observability and quality improvement.
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