Arize Phoenix
Arize's open-source observability tool that runs locally or self-hosted, offering OpenTelemetry tracing, a prompt playground with saved prompt versions and built-in evaluators.
Image from the business's own website.
Services
- OpenTelemetry tracing
- Prompt playground
- Prompt versioning
- Built-in evals
Highlights
Source: Official GitHub repository. Last checked 2026-09-18. Spot an error? Tell us.