Grok 4.3 on AI Gateway (opens in new tab)

# Grok 4\.3 on AI Gateway **Published:** April 30, 2026 | **Authors:** Walter Korman, Jerilyn Zheng --- 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 `xai/grok-4.3` in the AI SDK. ```typescript import { streamText } from 'ai'; const result = streamText({ model: 'xai/grok-4.3', prompt: 'Analyze this dataset and summarize the key trends.', }); ``` AI Gateway provides a unified API...