Arize Phoenix
Trace, evaluate and troubleshoot AI applications in a self-hosted observability workspace.
What’s included for free?
Open-source software is available without a vendor usage quota. Self-hosting is free with no feature gates; ELv2 forbids offering the software as a competing hosted service.
Provider information ↗Checked 2026-10-31
Before you use it
Elastic License 2.0
Provider terms can change. Check current pricing and usage rights before starting a project.