Arize Phoenix
Open-source AI observability and evaluation platform
Phoenix by Arize is an open-source observability platform for experimentation, evaluation and troubleshooting of LLM and ML applications. It runs as a self-hosted server collecting OpenTelemetry traces from AI apps.
Key features
- LLM tracing and spans
- Built-in evaluators
- OpenTelemetry-based
- Self-hostable
Strengths
- Released under the Elastic-2.0 license
- First-class Docker support for quick deployment
- Mature project with 11.6k GitHub stars
- Written in Python
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