KiroAmazon Web Services · ai-idevs
Google AntigravityGoogle · ai-ide
AWS's spec-driven agent IDE vs Google's agent-first IDE. Both are new, both push a 'plan first' workflow, both gate capacity behind their parents' subscriptions.
agentlist.io · spec diff · verified 2026-09-25 — list prices only, not benchmarks
Spec diff
Pick which
pick Kiro if
You want spec-driven development (requirements → design → tasks) inside the AWS ecosystem.
pick Google Antigravity if
You want Google's agent-first surface and already pay for Google AI Pro/Ultra.
watch out
Both credit systems are young and have already repriced once — re-check before annualizing.
Feature notes
- Kiro
- 01Spec-driven workflow
- 02Agent hooks
- 03Auto agent
- 04MCP
- 05Kiro CLI
- 06Claude + open-weight models
- Google Antigravity
- 01Agent manager
- 02Gemini 3.x + Claude + gpt-oss models
- 03Antigravity CLI
- 04Browser tool
- 05Free Individual tier
Frequently asked
Kiro or Google Antigravity — which should I pick?
AWS's spec-driven agent IDE vs Google's agent-first IDE. Both are new, both push a 'plan first' workflow, both gate capacity behind their parents' subscriptions. Pick Kiro if: You want spec-driven development (requirements → design → tasks) inside the AWS ecosystem. Pick Google Antigravity if: You want Google's agent-first surface and already pay for Google AI Pro/Ultra.
Is Kiro or Google Antigravity cheaper?
Kiro: Free (50 credits); Pro $20/user/mo; Pro+ $40; Pro Max $100; Power $200. Google Antigravity: Individual free; higher quota via Google AI Pro $19.99 / Ultra $99.99–$199.99. List prices as of 2026-09-25; usage pools and seat terms change the real cost.
Does Kiro or Google Antigravity run locally?
Kiro hosting: local, cloud. Google Antigravity hosting: local, cloud. Interfaces differ too: Kiro exposes editor/cli, Google Antigravity exposes editor/cli.
Are Kiro and Google Antigravity still maintained?
Kiro: actively maintained. Google Antigravity: actively maintained. Statuses are re-verified each catalog refresh (2026-09-25); see the changelog for the full history.