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xAI · model release

Grok 4.5

xAI releases Grok 4.5, its strongest model so far for coding and handling longer jobs.

In detail

xAI launched Grok 4.5, which it called its smartest model, built for coding, agentic tasks and knowledge work. xAI said it was trained alongside Cursor. It was available in Grok Build, in Cursor and through the xAI console.

Sources

  1. Introducing Grok 4.5 · xAI · Primary source

Last checked 11 November 2026.

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