Computers & Technology > Programming
LLM Observability with Arize Phoenix: Open-Source Tracing, Evaluation, and Debugging for AI Applications
by Caelan Wexford
When an AI app gives a wrong or made-up answer, ordinary logs and dashboards rarely explain why. This guide shows how open-source Arize Phoenix traces an LLM's hidden steps -- prompts, retrievals, tool calls, and agent decisions -- and how to evaluate and debug hallucinations, RAG pipelines, and production quality.
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