Tracing built on OpenTelemetry, with evaluation and drift analysis on top. Built by Arize.
Others in observability
Common questions
Is Arize Phoenix free to use?
Arize Phoenix is open source and free to run yourself. You still pay whichever model provider you point it at, and this tutorial is free with no signup.
Do I need to know Python to use Arize Phoenix?
Basic Python is enough. Functions, dictionaries and imports cover most of what Arize Phoenix asks of you.
When should I not use Arize Phoenix?
When something else in observability fits the job better. The others in that group are listed below.
Lessons for Arize Phoenix are being written. Meanwhile the APIs for AI tutorial covers the same ground: state, tools, loops, memory and human approval. Most of it carries straight over.
Start the APIs for AI tutorial →