# Grok 4.1 Fast models now available on Vercel AI Gateway

By Steven Van · 2025-11-20

Grok 4.1 Fast Reasoning and Non-Reasoning join AI Gateway with a 2M context window, built for agentic tool calling.

Vercel's [AI Gateway](<https://creatorstoolbox.com/tools/vercel>) now offers xAI's Grok 4.1 Fast Reasoning and Grok 4.1 Fast Non-Reasoning, with no separate xAI account needed. Both models have a 2M token context window and are built for agentic tool calling: Reasoning is aimed at structured reasoning and high-accuracy agentic tasks, while Non-Reasoning is tuned for speed. To use them with the AI SDK, set model to xai/grok-4.1-fast-reasoning or xai/grok-4.1-fast-non-reasoning.

As with other [AI Gateway](<https://vercel.com/changelog/grok-4-1-fast-models-now-available-on-vercel-ai-gateway>) models, requests get unified usage and cost tracking, retries, provider failover, built-in observability, and Bring Your Own Key support.

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Vercel

The platform for frontend developers — deploy, preview, and scale web apps and AI agents with zero config.

[View Vercel →](<https://creatorstoolbox.com/tools/vercel>)

[Original source](<https://vercel.com/docs/ai-gateway>)

[Read Grok 4.1 Fast models now available on Vercel AI Gateway on Creators Toolbox](<https://creatorstoolbox.com/blog/vercel-grok-4-1-fast-models-now-available-on-vercel-ai-gateway>)

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Canonical source: https://creatorstoolbox.com/blog/vercel-grok-4-1-fast-models-now-available-on-vercel-ai-gateway