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Arize Phoenix

Open-source tracing and evaluation for LLM apps and agents.

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About the tool

Open-source tracing and evaluation for LLM apps and agents.

Phoenix is an ELv2-licensed observability library that captures every step an agent takes and scores outputs with built-in evaluators. It is built on the OpenInference/OpenTelemetry standards and can run locally, in a notebook, or self-hosted.

Pricing
Open source
Category
Evals
Maker
Not publicly supplied
Provenance
Indexed by Attest from public information

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