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Models | xAI Docs

xAI schedules retirement of grok-4-1-fast, grok-4-fast, grok-4, grok-code-fast-1, and grok-imagine-image-pro on 15 May 2026, urging developers to migrate to Grok 4.3.

May 9 · 02:00:00 · primary fetch1 sourceupdated May 12 · 02:00:00

xAI announces retirement of several older models including grok-4-1-fast, grok-4-fast, grok-4, grok-code-fast-1, and grok-imagine-image-pro on May 15, 2026, at 12:00pm PT, with a migration guide provided.

Grok 4.3 is highlighted as the most intelligent and fastest model.

read full article on docs.x.ai ↗

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docs.x.aiModels | xAI Docsprimary02:00:00
docs.x.aiVideo Overview | xAI Docs02:00:00
docs.x.aiImage Overview | xAI Docs02:00:00

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