Pick Google Antigravity if
developers on a Google account who want an agent IDE/CLI and will watch the weekly quota.
Read the Google Antigravity pageGoogle Antigravity vs Kiro
Our take
Pick Google Antigravity if developers on a Google account who want an agent IDE/CLI and will watch the weekly quota. Pick Kiro if professional developers on a team who want a spec-first agent IDE and a published per-user card.
Best for
Google Antigravity Gemini-backed agents in a Google account
Kiro An IDE that turns a spec into a reviewable diff
Free plan
Google Antigravity $0 · /month. Agent models; unlimited Tab; unlimited Command; basic weekly rate limits
Kiro $0 · perpetual tier with 50 credits (FAQ). Social / Builder ID sign-in
Lowest paid
Google Antigravity Google AI Pro $20/mo
Kiro Pro $20/user/mo
Next step up
Google Antigravity Google AI Ultra $100/mo
Kiro Pro+ $40/user/mo
Coding agent
Google Antigravity Agent + Tab inside the editor
Kiro IDE session
Watch out
Google Antigravity Individual quota refreshes weekly
Kiro Credits are the meter
Last checked
Google Antigravity 2026-10-22 · antigravity.google/pricing
Kiro 2026-10-22 · kiro.dev/pricing
Which one, then?
Pick Kiro if
professional developers on a team who want a spec-first agent IDE and a published per-user card.
Read the Kiro page