Arize Phoenix
Open-source AI observability platform for evaluating LLM applications, RAG pipelines, and agent traces with local notebook support.
Problem
Diagnosing RAG retrieval failures and embedding clustering issues during development.
Solution
Interactive visualizer with UMAP embedding projections, latency waterfall charts, and automated evals.
Challenge
Information not available.
Key Features
- UMAP embedding visualization
- OpenTelemetry standard traces
- Evals for RAG and agents
- Zero-setup local mode
Tech Choices
Tech stack not specified.
Target User
General developers.
Impact
"The impact of this tool is currently being measured by the community."
Quick Details
- Pricing
- Free
- Platforms
- Python, Docker, Self-Hosted
- Updated
- 8/19/2026