Grok 4.5 (July 2026) is xAI's smartest model, built for coding, agentic tasks and knowledge work and trained alongside Cursor. It's fast (~80 tokens/sec), roughly 2× more token-efficient than comparable leading models, and priced aggressively at $2/$6 per 1M tokens.
API $2 / 1M input, $6 / 1M output. ~80 tokens/sec, ~2× token efficiency. Via Grok Build, Cursor (all plans, free for now) and the xAI console. Not yet in the EU.
Access Grok 4.5