EvalsOpen source

Arize Phoenix

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

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 PageVerified from public information

For the maker

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Feature for 7 days · $39 Feature for 30 days · $99

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