Gemini 3.8 Flash available in the UK, Gemini 4 Argon in Workflow Builder

Gemini Enterprise: Gemini 3.8 Flash regional availability in the United Kingdom

Gemini 3.8 Flash is generally available (GA) in the United Kingdom.

• Location availability: Supported in the UK (europe-west2) in-country region with in-region at-rest data residency (DRZ) and machine learning processing (MLP).
• App availability: Turned on by default in the web app for the UK region. Administrators can manage access with the Gemini 3.8 Flash toggle under Model availability.

For more information, see Data residency for Gemini Enterprise.

Gemini Enterprise: Gemini 4 Argon available in Workflow Builder

Gemini 4 Argon is generally available (GA) for Workflow Builder. Gemini 4 Argon is also available in Workflow Builder workflow agents. Updates take up to a day to appear in workflow agents.

• Location availability: Supported in global, us, and eu multi-regions, with data residency and ML processing support in us and eu. For more information, see Data residency for Gemini Enterprise.
• App availability: Turned off by default. The toggle defaults to on beginning October 27, 2026. For instructions to turn on the model, see Manage features on the web app.

For more information, see Workflow Builder.