Phoenix from Arize traces LLM applications, surfaces failure clusters and runs evaluations, all runnable locally in a notebook or as a server.
From the README
pip install arize-phoenix phoenix serve
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phoenix has 11.2k stars on GitHub. It has been forked 1.1k times. phoenix is written mainly in Python. It has been in active development since 2022. Its main topics are agents, ai-monitoring, ai-observability, aiengineering.
Read the full guideWhat is phoenix?
AI Observability & Evaluation
Is phoenix open source?
phoenix is an open-source project.
Is phoenix free?
Yes. phoenix is free and open source — you can use, modify and self-host it.
What language is phoenix written in?
phoenix is written mainly in Python.
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