Home / LLM Ops / Arize Phoenix LLM Ops Arize Phoenix — Open-source AI observability Traces and evals for LLM apps you can self-host — Arize's OSS stack for debugging agents. Official links phoenix.arize.ai Arize-ai/phoenix Arize Phoenix features O Observability Trait Traces, logs and metrics Arize Phoenix implements A API Trait Application Programming Interface Arize Phoenix is written in Python Language Python is a programming language that is simple, versatile, and widely used.