Langfuse
Open-source LLM observability.
Open sourceAPIOpen source
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Live preview of https://langfuse.com
TL;DR
Langfuse traces, evaluates, and monitors LLM apps; open source with a free cloud tier.
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FAQ
Is Langfuse free?
Langfuse is open source. Its free tier is not verified card-free.
Does Langfuse have an API?
Yes, Langfuse offers an API.
What are alternatives to Langfuse?
Alternatives include Speakeasy, LangSmith, Weights & Biases.