Azure · Microsoft Azure / Foundry · LLM grok-4-1-fast-reasoning 1 Shutdown scheduled Shuts down on May 19, 2027 208 days left
Azure will shut down grok-4-1-fast-reasoning 1 on May 19, 2027 (208 days from now). No replacement has been published. Source: learn.microsoft.com · Last checked Oct 23, 2026
Notice Shutdown scheduled 208 days left
Shuts down on May 19, 2027 Azure lists 2027-05-19 as the shutdown date. Model version 1.
Hosting route Microsoft Azure / Foundry
Affected scope Model version 1
Replacement None published
Announced Not published
First seen by ModelClock Oct 22, 2026 | grok-4-1-fast-reasoning | 1 | GA | 2027-05-19 | — |
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