You can now access Grok 4.3 on Vercel's AI Gateway with no markup and no other provider accounts required.

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Grok 4.3 is now available on Vercel's AI Gateway. The model features a December 2025 knowledge cutoff and a 1M token context window. It can be accessed by setting the model to `xai/grok-4.3` in the AI SDK. Vercel AI Gateway provides a unified API for model access, usage tracking, cost monitoring, retries, failover, and observability — with no markup and no separate provider account required.

Grok 4.3 on AI Gateway