Pattern
Phoenix Evals (Arize)
Provide LLM evaluation capabilities tightly integrated with Phoenix's trace UI, with built-in evaluators (hallucination, relevance, toxicity, code QA) and the workflow of capturing traces, running evals against them, and inspecting failures in the same notebook or self-hosted UI.
Classification — Open-source trace-integrated evaluation built on OpenInference traces.
Full entry
The complete treatment — problem, how it works, when to use it, sources, and examples — lives in the volume below.
Browse the full pattern index or the catalog.