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phoenix

Tracing

Open-source AI observability platform for tracing, evaluating, and experimenting with LLM applications

Python Latest arize-phoenix-v19.6.0 · 2d ago Security brief →

Features

  • Trace LLM application runtime using OpenTelemetry instrumentation
  • Evaluate model performance with LLM‑based response and retrieval benchmarks
  • Manage versioned datasets for experimentation, evaluation, and fine‑tuning

Security Response History

2 CVEs
CVE Severity Disclosed Patched (this tool) vs Ecosystem Median
CVE-2026-42271 KEV high
CVSS 8.8
2026-06-08 2026-06-09 25h
CVE-2026-42208 KEV critical
CVSS 9.8
2026-05-08 2026-05-08 5h

Recent releases

View all 167 releases →
No immediate action
arize-phoenix-v19.6.0 New feature

span_ids filter + UI enhancements

No immediate action
arize-phoenix-v19.5.0 New feature

Metrics API + Trace evals + Gemini 3.6

No immediate action
arize-phoenix-evals-v3.3.0 New feature

toxicity gallery template

Review required
arize-phoenix-v19.4.0 Mixed
Auth

Component alignment + IDBadge consolidation

No immediate action
arize-phoenix-evals-v3.2.0 Mixed

User friction evaluator + fixes

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About

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Downloads/week
631 ↑13%
NPM Maintainers
5
Contributors
100
TypeScript
Types included ✓

Install & Platforms

Install via
pip docker npm

Community & Support

Open source alternatives

Beta — feedback welcome: [email protected]