Arize AI
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Phoenix: AI Observability and Evaluation

Arize AI

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Arize's open-source observability and evaluation toolkit for LLM and agent applications, offering OpenTelemetry tracing, prompt and dataset management, LLM-judge evals, and a local UI. Runs as a library, self-hosted service, or managed platform.

Tags

agentic AIevaluation

At a glance

Published

2025

Jurisdiction

Global

Category

Evaluation and benchmarks

Access

Public access

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