# Arize Phoenix vs Open-RAG-Eval — Fit & Features

Canonical: https://trutool.co/compare/arize-phoenix-vs-open-rag-eval
Author: Snehil (https://trutool.co/authors/snehil)

Compare Arize Phoenix and Open-RAG-Eval by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Arize Phoenix
Debug and evaluate AI applications using open-source tracing and observability.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM tracing
- AI evaluation
- Dataset experiments
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://arize.com/pricing/
- [Read Arize Phoenix profile](https://trutool.co/tools/arize-phoenix): Read Arize Phoenix profile

### Open-RAG-Eval
RAG evaluation without the need for "golden answers".
Best fit: People and teams evaluating ai evaluation & observability for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read Open-RAG-Eval profile](https://trutool.co/tools/open-rag-eval): Read Open-RAG-Eval profile