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Google Cloud Agent Platform Release Notes: Gemini 3.1 Flash Image and Gemini 3 Pro Image updates

Google Cloud Agent Platform Release Notes · article · Aug 31, 2026 · UTC

Gemini 3.1 Flash Image and Gemini 3 Pro Image updates This release introduces feature updates and expanded endpoint availability for Gemini 3.1 Flash Image and Gemini 3 Pro Image: Multi-region endpoint support: Gemini 3.1 Flash Image (gemini-3.1-flash-image) is now available on US (us) and EU (eu) multi-region endpoints for model availability, ML processing, Provisioned Throughput, and PayGo Standard. 4K image output in GA: Generating 4K resolution images is now Generally Available (GA) for both Gemini 3.1 Flash Image and Gemini 3 Pro Image. Video inputs in GA: Image generation from video inputs is now Generally Available (GA) for Gemini 3.1 Flash Image. For more information, see the following: Gemini 3.1 Flash Image Gemini 3 Pro Image Model locations IAM Unified Access Policies are generally available (GA) IAM Unified Access Policies (Access policies) for Gemini Enterprise Agent Platform are generally available (GA). Agent Gateway uses Identity-Aware Proxy and Access policies to govern agentic communication between agent principals and destination resources, such as Model Context Protocol (MCP) servers, other agents, and registered or unregistered endpoints. Key capabilities inclu

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