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SpaceXAI launches Grok 4.5 model for coding, agentic tasks
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Fusion42 · 10 July 2026 · Fusion42 review
SpaceX AI launches Grok 4.5, a coding and agentic task model trained on tens of thousands of Nvidia GB300 GPUs, priced at $2 per million input tokens and $6 per million output tokens—undercutting Anthropic's Claude Opus 4.8 on input cost whilst matching OpenAI GPT-5.6 Luna on output pricing. The launch follows SpaceX's $60 billion acquisition of Anysphere (Cursor) and consolidates SpaceX's vertical integration in enterprise AI tooling.
This Wire brief sits within Fusion42's coverage of AI Frontier Models and AI Infrastructure.
◆ ◆ The Wire takeaway
If you're building on top of Claude or GPT for coding tasks, SpaceX just made your foundation layer 60% cheaper on input. Cursor's now owned by SpaceX, trained on Grok 4.5, and available today—your customer switching cost just dropped to zero.
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1 source · 10 Jul 2026
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