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x.AI plays catch-up with Grok Build, its first terminal-based coding agent

Maximilian Schreiner
Maximilian Schreiner View the LinkedIn Profile of Maximilian Schreiner
May 15, 2026

Elon Musk's AI company x.AI is jumping into the coding agent space with Grok Build, a new terminal-based tool. The launch is a late entry into a market that Anthropic defined with Claude Code and OpenAI expanded with Codex. The tool runs as a CLI, is currently in early beta, and is only available to SuperGrok Heavy subscribers.

Functionally, x.AI sticks close to what competitors already offer: a plan mode with step-by-step approval, diffs before every change, parallel sub-agents for larger tasks, and a headless mode ('-p') for scripts. Existing configurations like AGENTS.md, plugins, hooks, and MCP servers carry over.

x.AI is collecting feedback through a '/feedback' command. Anyone who wants to try the tool needs a SuperGrok Heavy subscription.

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