§ grok · storyline

Grok Model Retirement on May 15, 2026

xAI retires several Grok models on May 15, 2026, including Grok 4 variants and Grok-code-fast-1, with traffic automatically redirected to Grok 4.3.

May 14 · 02:00:00 · primary fetch1 sourceupdated May 14 · 02:00:00

xAI is retiring several older models on May 15, 2026, including various versions of Grok 4 and Grok-code-fast-1, with requests automatically redirecting to Grok 4.3.

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§ sources1 publication · timeline below

x.aiGrok Model Retirement on May 15, 2026primary02:00:00