xAI says Grok Build is now powered by Grok 4.5
xAI lists a native subagent view, Plan Mode integration, mouse support and a fullscreen terminal interface among Grok Build’s features.
TLDR
xAI says Grok Build now uses its new Grok 4.5 model, with features including a native subagent view, Plan Mode integration, mouse support and a fullscreen terminal interface. Elon Musk promoted the tool with a brief invitation—“Try Grok Build”—and a link to xAI’s site.
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