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Grok 4.5 vs. Claude Opus 4.8: Costs and what works, not the spec sheet

calendar_today July 20, 2026 person Jessica Wachtel domain the-new-stack

Can Grok 4.5 really match Opus for a quarter of the tokens? xAI released Grok 4.5 on July 8. It The post Grok 4.5 vs.

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