
Grok 4.3 via Cloudflare AI Gateway
Specifications
Context Window
1,000,000 tokens
Release Date
2026-04-17
Capabilities
AttachmentsReasoningTool callingStructured outputTemperatureImage inputPdf input
Availability
Proprietary API
Model Overview
Cloudflare AI Gateway provides a unified proxy for AI APIs with built-in caching, rate limiting, analytics, and fallback routing across multiple AI providers.
Grok 4.3 is a grok-family model by Cloudflare AI Gateway with a 1.0M token context window and up to 30k output tokens. It is priced at $1.25/1M input tokens and $2.50/1M output tokens.
Key capabilities include: attachments, reasoning, tool calling, structured output, temperature, image input, pdf input. It supports advanced reasoning for complex multi-step tasks. It can call external tools and functions for agentic workflows.






