Grok Build
Grok Build is xAI's terminal coding agent. The public source we found is superagentic-ai/grok-cli (about 1,200 stars, last push July 2026). xai-org/grok-build was not a live first-party repo on that check. Current Grok API models on docs.x.ai/docs/models include grok-4.6, grok-4.6-fast, and grok-4.6-code. Do not keep grok-4.5 as the only brain.
Compare Claude Code, Codex CLI, and the Grok product page.
Key Features
- TUI + headless: Interactive
grok, plusgrok -p/--promptfor one-shot runs. - Auth: Login with a Grok.com account, or set
XAI_API_KEY/GROK_API_KEY. - Install paths: Homebrew
xai-org/tap/grok-cli, ornpm install -g @vibe-kit/grok-clifrom the public repo README. Confirm which channel you trust. - ACP / editor: Docs still describe embedding the agent. Zed remains a natural pair.
- Model line: Point new work at grok-4.6, not a frozen 4.5 sentence.
Use Cases
- People already paying xAI who want a first-party CLI.
- Rust / TUI users who do not want another Node IDE.
- CI one-shots via
grok -p.
Limitation: the CLI is not a free model. xAI usage is billed separately. Treat computer-use and YOLO flags as dangerous until you read the current permission docs.
Pricing
| Plan | Price | Notes |
|---|---|---|
| CLI | $0 to download | Model / Grok account billed by xAI. Confirm docs.x.ai. |
Getting Started
- Read docs.x.ai/docs/grok-cli.
- Install from the tap or the public npm package listed above.
- Authenticate with Grok.com or an API key.
- Run
grokin a repo, orgrok -p "Explain this codebase".
Frequently Asked Questions
Is it still grok-4.5 only?
No. The live model list on the public page leads with grok-4.6 and a code SKU.
Is xai-org/grok-build the repo?
Not on 2026-08-17. Use the docs URL plus superagentic-ai/grok-cli until xAI publishes a clearer canonical repo.
Same as the Grok chat app?
No. This is the CLI agent. Chat is Grok.
Alternatives
- Claude Code: Anthropic terminal agent.
- Codex CLI: OpenAI terminal agent.
- OpenCode: Open-source coding CLI if you do not want xAI.
Tips
- Change the website bookmark from
/build/overviewto/docs/grok-cli. - Quote grok-4.6 from the models page, not the January writeup.
- Confirm install. Homebrew tap and npm are both circulating.
Conclusion
Grok Build is still xAI's terminal agent, now documented under grok-cli and aimed at the grok-4.6 line. Start at the CLI docs, then decide whether Claude Code is the better daily driver.
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