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Elon Musk (X.ai) announced Grok Build is now powered by Grok 4.5, adding a native…

2026-08-03 · 23:37 UTC ·@elonmusk ·1 min read

Brief

Grok Build was updated on 2026-08-03 to run on Grok 4.5, adding a native subagent view, Plan Mode integration, mouse support and a fullscreen terminal UI; installation is offered via x.ai/cli. Release v0.2.120 fixes model-picker status updates, changes-panel refresh behavior, background-task log reporting, and clarifies GitHub-export errors; update with grok update (--alpha for alpha).

Why it matters

Elon Musk (X.ai) announced Grok Build is now powered by Grok 4.5, adding a native subagent view, Plan Mode integration, mouse support, and a fullscreen terminal UI; install referenced via curl -fsSL https://x.ai/cli/inst... (announcement published 2026-08-03).

Key details

  • DogeDesigner reports Grok Build v0.2.120 is live with bug fixes: model picker now updates the status bar and /model menu immediately (even before first prompt session); changes panel refreshes after an agent commit on the current branch; background task completions report full log size and read hint when only a short prefix was captured; GitHub export on old hibernated sessions now shows a clear 'start a new chat' message instead of a generic error.
  • Download/update entry points: download at x.ai/cli; update to Alpha with 'grok update --alpha' and to Stable with 'grok update'.
Source evidence

Grok Build update

X.ai/cli

Link

Grok Build

Grok Build is now powered by Grok 4.5, our new model — with a native subagent view, Plan Mode integration, mouse support, and a fullscreen terminal UI. Install with curl -fsSL https://x.ai/cli/inst...
x.ai

DogeDesigner (@cb_doge)

🚨 NEW GROK BUILD UPDATE 🚨

SpaceXAI is pushing new Grok Build updates almost daily.

Grok Build v0.2.120 is now live.

Bug Fixes:
• Model picker now updates the status bar and /model menu immediately, even before the first prompt creates a session.
• Changes panel now refreshes after the agent commits on the current branch instead of showing stale unstaged files.
• Background task completions now report the full log size and read hint even when only a short prefix was captured.
• GitHub export on old hibernated sessions now shows a clear message to start a new chat instead of a generic error.

To download Grok Build Visit: x.ai/cli
To update to Alpha Version use command: grok update --alpha
To update to Stable Version use command: grok update

— https://nitter.net/cb_doge/status/2084327099511222597#m