After SpaceX acquired Cursor in a $60 billion all-stock deal, what appears to be a remote version of xAI's coding agent "Grok Build" has been spotted accessible on the web. It does not currently work, however, and the exposure is likely unintended.
June 2026 · xAI / SpaceX
A Ghost Page Hints at Grok Build's Uncertain Future
A non-functional "Grok Build Remote" web page surfaced unexpectedly — just as SpaceX's $6B acquisition of Cursor reopens questions about where xAI's terminal-native coding agent is headed.
~$6B
All-stock deal: SpaceX acquires Anysphere, maker of Cursor
256k
Context window of the grok-build-0.1 agentic model
Millions
Cursor's existing user base now in the Musk ecosystem
Memory cost: agent vs. large project
Reported usage on big codebases — the load that destabilizes the editor.
5–6× the load — heavy enough to make the editor unstable on big repos.
How Grok Build ships today
Primary form
Rust CLI (curl install)
Audience
SuperGrok / X Premium+
Cursor integration
Composer 2.5
Capabilities: Agent Thinking, Plan Mode, and parallel subagents. Web "Remote" and desktop versions remain unofficial and undefined.
What works
Fast, straightforward behavior from Composer 2.5
Quick problem-solving via vibe coding
Parallel subagents speed up tasks
What's overstated
Heavy memory use destabilizes the editor
Loose permissions; high credit consumption
Pricier than Claude Code / Codex (~$20/mo+)
Unsuited to large projects; clunky on Windows
The open question
A terminal-native agent meets an IDE-first acquisition. How Grok Build's web and desktop ambitions fit alongside Cursor remains undefined — an official statement from xAI is the next thing to watch.
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