
Grok 4.3 on AI Gateway
Quick Answer
Grok 4.3 has been released by Vercel AI, featuring a 1M token context window and enhanced accuracy, tool calling, and instruction adherence.
Quick Take
Grok 4.3 has been released by Vercel AI, featuring a 1M token context window and enhanced accuracy, , and instruction adherence. The AI Gateway offers a unified API for model interaction, usage tracking, and performance optimizations, including intelligent provider routing and custom reporting.
Key Points
- Grok 4.3 features a 1M token context window for improved performance.
- Enhanced accuracy and tool calling capabilities are key improvements.
- AI Gateway provides a unified API for model calls and usage tracking.
- Intelligent provider routing includes automatic retries and failover.
- Custom reporting and observability features are built into the AI Gateway.
Article Excerpt
From source RSS / original summaryGrok 4. 3 is now available on. The model has a 1M token context window and improvements in accuracy, , and instruction following. Vercel AI GatewayTo use Grok 4. 3, set model to in the. xai/grok-4. 3AI SDKAI 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,, support, and intelligent provider routing with automatic retries.
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The Agent Stack
The Agent Stack by Vercel AI provides essential building blocks for creating production-grade agents, enabling seamless integration across multiple AI models and secure operations. It features components like AI Gateway for model routing, Workflow SDK for durable execution, and Vercel Connect for scoped access, streamlining agent development and deployment across various platforms.

