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xAI · Model retirement

grok-4-0709

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Since May 15, 2026, xAI answers calls to the model grok-4-0709 from a newer version.

What to use instead of grok-4-0709

Move to grok-4.3 with low reasoning effort, recommended by xAI.

Facts

API
xAI api.x.ai
Model
grok-4-0709
Kind
Model retirement
Takes effect
May 15, 2026
Calls after that day
Answered by a newer version
Source
Model notices
Last updated

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