Grok 4.3 on AI Gateway
Grok 4.3 is now available on Vercel's AI Gateway, featuring a 1 million token context window and enhanced accuracy, tool calling, and instruction following. Developers can access the model by specifying 'xai/grok-4.3' in the AI SDK. AI Gateway offers unified model access, usage tracking, cost monitoring, and performance optimizations.
- ▪Grok 4.3 has a 1 million token context window.
- ▪The model shows improvements in accuracy, tool calling, and instruction following.
- ▪AI Gateway supports unified API access, usage tracking, retries, and performance optimization.
- ▪Developers can use Grok 4.3 by setting the model parameter to 'xai/grok-4.3' in the AI SDK.
- ▪AI Gateway includes observability, custom reporting, and intelligent provider routing.
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1 min readCopy URLCopied to clipboard!Apr 30, 2026Grok 4.3 is now available on Vercel AI Gateway. The model has a 1M token context window and improvements in accuracy, tool calling, and instruction following.To use Grok 4.3, set model to xai/grok-4.3 in the AI SDK.1import { streamText } from 'ai';2 3const result = streamText({4 model: 'xai/grok-4.3',5 prompt: 'Analyze this dataset and summarize the key trends.',6});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.
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