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Kiro CLI vs Antigravity CLI: catalog facts
Kiro CLI	Antigravity CLI
Freemium Proprietary software from Amazon; usage is governed by Kiro's plans.	Freemium Proprietary; usage follows Google Antigravity's published pricing plans.
Windows, macOS, Linux, Command line	Windows, Command line
Custom agents with predefined tool permissions and prompts Native MCP support and steering files	Runs several subagents in parallel for larger tasks Tool approvals and agent status from the keyboard
Closed source Relies on hosted AI models, so it needs a network connection	Proprietary and tied to Google's Antigravity service Needs a network connection to reach the agents
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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