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Grok Build vs GitHub Copilot CLI: catalog facts
Grok Build	GitHub Copilot CLI
Freemium Available to try for free; extended use is tied to Grok plans.	Freemium Use depends on a GitHub Copilot plan; see GitHub's plans page for current tiers.
macOS, Command line	macOS, Command line
Plan mode that blocks edits until you approve Supports skills, plugins, hooks and MCP servers	Coding agent that works directly in a local project Supports custom agents, MCP and LSP servers
Depends on xAI's hosted Grok models Installation is through a curl-to-bash script	Requires a GitHub account and Copilot plan Needs a network connection to GitHub's models
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.