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Grok x Cursor

Ben's Bites 9 July 2026, 13:02 ● Covered by 5 sources

SpaceX AI and Cursor released Grok 4.5, an Opus-class model that performs between Claude Opus 4.7 and 4.8 while costing 6 times less than Opus models and 3 times less than GPT-5.5. The model processes tokens at a lower cost per unit while maintaining comparable performance, with availability through Cursor with increased limits and via API. This pricing structure makes it a competitive alternative for developers seeking cheaper inference costs without sacrificing model capability.

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TLDRocket 21 July 2026

The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.

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Grok x Cursor

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