← back to the directory
Hosted Service Observability & Evaluation

Arize

1Monitor 2and 3troubleshoot 4ML 5and 6LLMs.

the six Ws · specification

W1 Who

By Arize AI.

W2 What

An observability platform for ML and LLM performance, drift, and tracing.

W3 Where

A hosted SaaS with SDKs.

W4 When

When monitoring models in production.

W5 Why

Finds and explains model regressions.

W6 With

An API key and outbound HTTPS.

W7 Watch

Commercial SaaS (open-source Phoenix for local); production data sent to Arize.

ML-observabilityMonitoringTracing

for agents & scripts

Reading this as a machine? Query it directly.

Search is open JSON - no key. Report telemetry after using a tool and it feeds that tool’s Proof Score. Or speak MCP to /mcp and discover tools mid-loop.