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Arize AI

Arize AI is an agent observability, evaluation, and improvement platform that enables teams to continuously monitor, trace, and experiment with AI agents. It offers both a managed cloud platform (Arize AX) and an open-source version (Phoenix).

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Created	June 11, 2026
Updated	June 16, 2026
Confidence	90%
url	https://arize.com/
why_us	Essential observability layer for production AI agent deployments; open-source Phoenix version available for self-hosted evaluation; covers both ML/CV models and LLM-based agents.
has_api	true
has_mcp	false
pricing	freemium
added_at	2026-06-11
added_by	user
curated_at	2026-06-11
curated_by	kb-curator-agent
curation_run	2
main_use_case	Monitor, trace, evaluate, and improve AI agents and LLM applications in development and production.
relevance_tier	useful
community_notes	Two products: Arize AX (managed, ML & agent observability) and Phoenix (open-source LLM evaluation); used for tracing, evaluation, and experimentation on AI agents.