Scoop: SpaceXAI launches new model, Grok 4.5 - Axios
Quick Answer
SpaceXAI has launched Grok 4.5, its most advanced model yet, designed for coding and agentic work, outperforming some OpenAI and Anthropic models in speed and cost.
Quick Take
Available in Grok Build and Cursor, it is not yet accessible in the EU.
Key Points
- Grok 4.5 is SpaceXAI's first release since going public and acquiring Cursor.
- The model is claimed to be 'maximally truth-seeking' compared to competitors.
- It is available in Grok Build and Cursor across all plans, excluding the EU.
- Grok 4.5 outperforms similar models in engineering and knowledge work.
- SpaceXAI emphasizes speed and cost advantages over some existing models.
Article Excerpt
From source RSS / original summary# Scoop: Musk's SpaceXAI releases new model, Grok 4. 5. Elon Musk's SpaceXAI is launching Grok 4. 5, its smartest model yet, and its first release since going public and acquiring the AI coding startup Cursor. **Why it matters:** The new model is being pitched as a coding and agentic-work tool, more than a consumer-facing chatbot — one that Musk says is "maximally truth-seeking" compared to its competitors. **Zoom in:** The company says Grok 4.
5, trained alongside Cursor, outperforms comparable models on engineering and knowledge work. * Grok 4. 5 is available today in Grok Build, in Cursor on all plans, and from the SpaceXAI console, though Grok 4. 5 is not yet available in the EU. **Between the lines:** SpaceXAI claims the new Grok outperforms some OpenAI and Anthropic models on speed, price
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