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xAI AI Updates: July 9, 2026

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1. SpaceXAI Releases Grok 4.5, an “Opus-Class” Coding Model

SpaceXAI. SpaceXAI released Grok 4.5, a model Elon Musk describes as “Opus-class” and aimed at coding, agentic tasks, and knowledge work. It is available in Grok Build, in Cursor across all plans, and via the SpaceXAI console, though not yet in the EU. The model is priced at $2 per million input tokens and $6 per million output tokens. Source