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Kiro CLI vs Aider: catalog facts
Kiro CLI	Aider
Freemium Proprietary software from Amazon; usage is governed by Kiro's plans.	Free Aider itself is free and open source under Apache 2.0. You pay whatever your chosen model…
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Custom agents with predefined tool permissions and prompts Native MCP support and steering files	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
Closed source Relies on hosted AI models, so it needs a network connection	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: Proprietary	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 2, 2026	Official website Full listing and sources Checked September 21, 2026

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