Grok 4.1 Fast models now available on Vercel AI Gateway

T1Covered by 1 source · first reported by Vercel (blog + changelog) at 20 Nov 2025, 13:00 UTC

AI Gateway You can now access xAI's latest models, Grok 4.1 Fast Reasoning and Grok 4.1 Fast Non-Reasoning, via Vercel'swith no other provider accounts required. These models have a 2M context window and are designed for agentic tool calling. Grok 4.1 Fast Reasoning is best suited for structured…

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• T1Grok 4.1 Fast models now available on Vercel AI GatewayVercel (blog + changelog)20 Nov 2025, 13:00