KiroAmazon Web Services · ai-idevsGoogle 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

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Spec diff

KiroGoogle Antigravity
vendorAmazon Web ServicesGoogle
categoryai-ideai-ide
interfaceseditor · clieditor · cli
hostinglocal · cloudlocal · cloud
pricingFree (50 credits); Pro $20/user/mo; Pro+ $40; Pro Max $100; Power $200Individual free; higher quota via Google AI Pro $19.99 / Ultra $99.99–$199.99
statusactively maintainedactively maintained
also known asKiro IDEAntigravity IDE, Antigravity CLI
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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.

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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
FAQ

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.

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