What happened to Arize AI?
discontinued The registry marked Arize AI discontinued on 2026-09-01: its check failed three consecutive times. Last successful sync: 2026-08-20.
Arize AI offers a unified LLM Observability and Agent Evaluation Platform for AI applications, from development to production. It provides tools for Generative AI, ML & Computer Vision, and Open Source LLM Tracing & Evals. Arize AX helps accelerate AI app and agent development and perfect them in production. It integrates development and production to enable a data-driven iteration cycle, using real production data to power better development and aligning production observability with trusted evaluations.
Live alternatives
No active same-category alternatives in the registry yet. The tools index carries everything else that is live.
How this was decided
Not an editorial call. Arize AI's check failed three syncs in a
row, and the 3-miss rule marks it
discontinued automatically. If the vendor page comes back, the
registry restores it on its own: warn first, then
active. Both directions are recorded as events.