Grok 4.3 is now available on Vercel AI Gateway. The model has a December 2025 knowledge cutoff and a 1M token context window.
To use Grok 4.3, set model to
AI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in custom reporting, observability, Bring Your Own Key support, and intelligent provider routing with automatic retries.
Learn more about AI Gateway, view the AI Gateway model leaderboard or try it in our model playground.
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To use Grok 4.3, set model to
xai/grok-4.3 in the AI SDK.AI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in custom reporting, observability, Bring Your Own Key support, and intelligent provider routing with automatic retries.
Learn more about AI Gateway, view the AI Gateway model leaderboard or try it in our model playground.
Read more
Continue reading...