AI Observability & Evaluation
Latest release arize-phoenix-v20.23.0 — arize-phoenix: v20.23.0 · 16 Oct 2026
3 files for Claude Code, Codex and OpenCode: phoenix, phoenix AGENTS.md, phoenix CLAUDE.md — 192 tokens loaded in every session.
AGENTS.md A 189 tok CLAUDE.md A 3 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.