Grok 4.5 Speeds Past Opus

beffjezos · x · 2026-07-09

A user noted that Grok 4.5's capabilities within Grok Build seem on par with Opus, but it is noticeably faster—even outpacing Opus's /fast mode. The poster called it their most used work model of the day.

Related event: xAI Launches Grok 4.5: Coding and Agent Focus to Rival Opus(55 posts)→

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