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Grok Build vs Aider: catalog facts
Grok Build	Aider
Freemium Available to try for free; extended use is tied to Grok plans.	Free Aider itself is free and open source under Apache 2.0. You pay whatever your chosen model…
macOS, Command line	Windows, macOS, Linux, Command line
Plan mode that blocks edits until you approve Supports skills, plugins, hooks and MCP servers	Commits every change to git automatically, so the usual diff and revert tools work Maps the whole codebase, which is what makes it usable on projects of real size
Depends on xAI's hosted Grok models Installation is through a curl-to-bash script	Needs an API key and per-token spend unless you run a local model Terminal-driven; there is no graphical interface
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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