Arize Phoenix

📖 What is Arize Phoenix?

Arize Phoenix is an open-source AI observability platform that provides tracing, evaluation, and hallucination auditing for RAG applications and LLM pipelines.

💡 Why It Matters

Phoenix provides developers with an open-source evaluation framework for tracing LLM execution steps locally.

🎯 Workplace Use Cases

• Tracing RAG application retrieval steps to audit context recall errors
• Evaluating LLM response hallucination scores using benchmark metrics
• Exporting execution trace logs for enterprise compliance

🚀 How to Use It

Install via `pip install arize-phoenix` and launch local tracing in your Python LLM application.

✨ Key Features

• Open-source tracing and evaluation engine (Evals)
• Visual execution trace graphs for RAG applications
• Seamless integration with LlamaIndex and LangChain

💳 Pricing & Plans

Free Tier: Open-source version is free to run locally. Paid hosted version available on Arize Cloud.

Plan	Price	Notes
Arize Enterprise Cloud	Custom annual contract	Hosted enterprise observability platform, custom SLAs.