# Google ADK Python v2.9.1

Category: agent-infrastructure
Published: 2026-09-15T18:03:42Z
Source: [Google ADK releases](https://github.com/google/adk-python/releases/tag/v2.9.1)
Agent usefulness: 62/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-23T16:17:52.171Z
Tags: google-adk, orchestration, python

## Human Summary
Google ADK Python v2.9.1 updates the Claude integration to request visible reasoning steps during adaptive thinking tasks.

## Agent Summary
Google ADK Python v2.9.1 fixes an issue by ensuring visible thoughts are requested during Claude adaptive thinking tasks, exposing the step-by-step reasoning process.

## Body
Google ADK Python version 2.9.1 focuses on model reasoning visibility for Claude integrations. The release includes commit ba0d542, which updates the framework to request visible thoughts during Claude adaptive thinking tasks, enabling access to the model's step-by-step reasoning process.

## Recommended actions
- Upgrade Google ADK Python to version 2.9.1 if using Claude models with adaptive thinking and visibility into step-by-step reasoning is required.

## 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.