AI Observability & Evaluation
Latest release arize-phoenix-evals-v3.9.3 — arize-phoenix-evals: v3.9.3 · 22 Oct 2026
2 files for Claude Code, Codex and OpenCode: phoenix, phoenix AGENTS.md — 189 tokens loaded in every session.
AGENTS.md A 189 tok .claude/settings.json A — These files are Arize-ai/phoenix's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.