xAI's fast, low-cost AI — strong at coding and agentic work.
Grok is xAI's AI assistant. The latest Grok 4.5 (July 2026) was trained alongside Cursor and is built for coding, agentic tasks and knowledge work — fast (~80 tokens/sec) and cheap ($2/$6 per 1M tokens).
It powers Grok Build (apps, Excel, slides) and is available in Cursor on all plans.