Phoenix (Arize)
OPEN SOURCEOpen-source ML/LLM observability for tracing, evaluation, and dataset curation.
Free (open source)
About
Phoenix is an open-source observability library from Arize AI for ML and LLM applications. Offers distributed tracing, prompt and retrieval evaluation, dataset curation, and integration with OpenTelemetry for production-grade monitoring.
Features
OpenTelemetry tracing
LLM response evaluation
Retrieval analysis
Dataset curation
Embeddings visualizer
Self-hostable
Specifications
| LLM Tracing | |
| Evaluation | |
| Self-Host | |
| Open Source | |
| Alerting | |
| Starting Price | Free |