Grok 4.1 models retirement date and replacement

Name: Grok 4.1 models retires (Google Cloud)
Start: 2026-08-20
End: 2026-08-20

Google Cloud · Model · retired Aug 20, 2026 (35 days ago)Unverified

Dates

Checked Sep 25, 2026 on Google Cloud's page

Retired	Aug 20, 2026 (35 days ago)
Announced	Jul 8, 2026
Replacement	None named
Notice	The Grok 4.1 model family (including xai/grok-4.1-fast-reasoning and xai/grok-4.1-fast-non-reasoning ) on the Gemini Enterprise Agent Platform is deprecated and will be shut down on August 20, 2026.
Source	docs.cloud.google.com/gemini-enterprise-agent-platform/docs/release-notes#July_08_2026

Date	Change	Source
Sep 25	Announced2026-08-20UnverifiedThe Grok 4.1 model family (including xai/grok-4.1-fast-reasoning and xai/grok-4.1-fast-non-reasoning ) on the Gemini Enterprise Agent Platform is deprecated and will be shut down on August 20, 2026.Source	Source