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Aider vs Kiro CLI: catalog facts
Aider	Kiro CLI
Free Aider itself is free and open source under Apache 2.0. You pay whatever your chosen model…	Freemium Proprietary software from Amazon; usage is governed by Kiro's plans.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
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	Custom agents with predefined tool permissions and prompts Native MCP support and steering files
Needs an API key and per-token spend unless you run a local model Terminal-driven; there is no graphical interface	Closed source Relies on hosted AI models, so it needs a network connection
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License: Proprietary
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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