When was this update announced?

The release date cited in this guide is 2026-09-21.

Is the update available to every user?

Availability can depend on product, account, region, and rollout stage. Check the official source linked in the guide.

What source supports this guide?

The guide links to the official announcement from xAI.

Grok model updates · 2 min read

Grok 4.7: xAI’s September API Release for Coding and Agents

The official xAI release notes describe Grok 4.7’s context, input modes, and API availability.

Release date: 2026-09-21. This update is based on the vendor’s announcement and was added to the Worksflow.ai guide on October 11, 2026.

xAI’s release notes list Grok 4.7 as available through the xAI API on September 21, 2026. The entry identifies its model slug and describes a large context window, text and image input, and reasoning-effort settings.

What the update means

Check the xAI model documentation for current limits and exact API behavior; release-note values can change. Validate tool calls, output handling, and latency in your own application before switching traffic.

What to verify before you update a workflow

Confirm the exact model or product identifier in the vendor’s live documentation.
Check whether the announcement describes a general release, preview, or restricted rollout.
Test the same representative tasks, tool calls, and failure cases used in your current workflow.
Record the vendor’s source and the date your team checked it.

Official sources

xAI’s official release note

Details and availability can change after publication. Recheck the source before acting on this guide.