Stay up to date with the latest Phoenix by Arize updates, new features, and improvements. Here's what changed in 2026.
Arize’s 2026 site positions Phoenix as an open
The Phoenix site highlights native OpenTelemetry support, vendor
Arize’s 2026 pricing page lists Phoenix as free and open source, with AX Free and AX Pro as managed SaaS paths for teams needing hosted observability features. Arize reported in June 2026 that Phoenix reached 10,000 GitHub stars, reflecting continued community adoption of the open
The 2026 documentation emphasizes prompt management, prompt playgrounds, span replay, datasets, experiments, and the built
in PXI agent for debugging traces and prompt iteration.
Phoenix by Arize is actively developing new features. Check back regularly or follow their official channels for the latest updates.
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Changelog last updated March 2026