# @arizeai/phoenix-evals@2.6.0

Category: safety-research
Published: 2026-09-22T05:36:23Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-evals%402.6.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-22T06:17:34.786Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix releases published @arizeai/phoenix-evals@2.6.0. Minor Changes - b7b7dfb: Classification evaluators now accept AI SDK evaluation models such as TypeSafe's Jev. When an evaluation model is passed as model , the classification is routed through experimental evaluate as a single choice question instead of generateObject . Results carry a label…

## Agent Summary
Treat @arizeai/phoenix-evals@2.6.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Arize Phoenix releases published @arizeai/phoenix-evals@2.6.0. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Minor Changes - b7b7dfb: Classification evaluators now accept AI SDK evaluation models such as TypeSafe's Jev. When an evaluation model is passed as model , the classification is routed through experimental evaluate as a single choice question instead of generateObject . Results carry a label and score but no explanation , since evaluation models do not generate text.

## Recommended actions
- Review the official Arize Phoenix releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.