phoenix.arize.com

Phoenix

Open-source tools to trace, evaluate, and refine AI agents

Phoenix is a local-first, open-source platform for tracing AI agents, evaluating outputs, annotating failures, and testing improvements with datasets and experiments. Run it locally or self-host it on your infrastructure.

Pricing

Open source

Platforms

api

API

Yes

Open source

Yes

Tags

observability, tracing, evaluation, ai agents, llm, experimentation, self-hosted, open-source

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