Grok Build (xAI)
Grok Build (xAI) is an AI model optimized for coding and agentic tasks via joint training with Cursor on real developer interaction data, featuring a 500K-token context window, function calling, structured outputs, web/X search, code execution, document search, and context compaction. Priced at $2/$6 per million in/out tokens, it launched in the EU API console on July 17, 2026, and was superseded as flagship by Grok 4.6 on August 12, 2026.