Long-running agents are the target, at the same price as 4.5; widely available through OpenRouter, Vercel and Cloudflare, UK status unstated.
Kenning's take
What it does
Grok 4.6 builds on Grok 4.5 with a focus on long-running agents and visual, interactive work such as building a first version of an app. It has a 500K-token context window and a fast variant at twice the price. It is in the xAI API, Grok Build and Cursor, and through partners such as OpenRouter, Vercel and Cloudflare.
- 500K-token context window
- Built for long, multi-step agent work
- Fast variant at 2x price
- Reasoning effort from low to xhigh
- Available via OpenRouter, Vercel and Cloudflare
Who it suits. Developers running long coding or research agents.
Key facts
- Category
- AI models
- Part of
- Grok
- Made by
- SpaceXAI (formerly xAI)
- Based in
- United States
- Released
- 12 August 2026
- How to get it
- xAI API (model grok-4.6), Grok Build, Cursor, OpenRouter, Vercel and Cloudflare
- Works on
- API, Grok Build, Cursor, OpenRouter
- API price
- $2 per million input tokens, $6 per million output below 200K prompt tokens; $4 and $12 above
FAQ
When was Grok 4.6 released?
SpaceXAI released Grok 4.6 on 12 August 2026.
How much does Grok 4.6 cost?
$2 per million input tokens and $6 per million output, rising to $4 and $12 above 200K prompt tokens.
Facts from the maker's own pages and the sources listed. Checked 2026-10-11.
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