kitio.aiKiro vs Google Antigravity
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Google Antigravity has the lower starting price: about $20 a month, against $20 for Kiro.
Google's agent-first coding platform with editor, CLI and browser
Freemium · $19.99/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Spec-driven development
- Agent hooks
- Steering files
- MCP support
- Kiro CLI
- Agent manager view
- Browser testing by agents
- Antigravity CLI
- Artifacts with comments
- Gemini models
| Feature | Kiro | Google Antigravity |
|---|---|---|
| Best for | Agentic IDE from AWS built around specs before code | Google's agent-first coding platform with editor, CLI and browser |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | $19.99/mo |
| Free plan | Yes | Yes |
| Made by | Amazon Web Services | |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Google Antigravity has the lower starting price: about $20 a month, against $20 for Kiro.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Kiro Free
Free
- 50 credits
- Open weight models and Claude Sonnet 4.5
Kiro Pro
$20/mo
- Per user
- 1,000 credits
- Premium models
- Add-on credits at $0.04
Kiro Pro+
$40/mo
- Per user
- 2,000 credits
Kiro Pro Max
$100/mo
- Per user
- 5,000 credits
Kiro Power
$200/mo
- Per user
- 10,000 credits
Enterprise
Contact sales
- Centralized billing and SSO
- Usage analytics
- Enterprise security controls
4 plans
Free
Free
- Access to a variety of agent models
- Unlimited Tab completions
- Unlimited Command requests
Google AI Pro
$19.99/mo
- Higher agent model limits
- Access to latest Gemini models
Google AI Ultra
$249.99/mo
- Highest agent usage limits
- Access to latest Gemini models
Business
From $30/seat/mo
- Via Google Cloud / Gemini Enterprise
- Spend caps and admin controls
- Pay-as-you-go option, $0 seat fee
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Kiro
- Plans work before writing code
- Hooks automate repetitive checks
- Free tier with 50 credits a month
- Specs add overhead for small changes
- Credit usage can be hard to predict
Google Antigravity
- Free tier for individuals
- Agents verify work in a real browser
- Runs several agents in parallel
- Rate limits hit heavy users
- Paid quota tied to Google AI plans
Which one should you choose?
Choose Kiro if you want:
- Plans work before writing code
- Hooks automate repetitive checks
- Free tier with 50 credits a month
Watch out: specs add overhead for small changes.
Choose Google Antigravity if you want:
- Free tier for individuals
- Agents verify work in a real browser
- Runs several agents in parallel
Watch out: rate limits hit heavy users.
Kiro vs Google Antigravity FAQ
What is the difference between Kiro and Google Antigravity?
Kiro: Agentic IDE from AWS built around specs before code. Google Antigravity: Google's agent-first coding platform with editor, CLI and browser. Both are coding tools.
Is Kiro or Google Antigravity cheaper?
Google Antigravity has the lower starting price: about $20 a month, against $20 for Kiro.
Do Kiro and Google Antigravity have free plans?
Kiro: Yes. Google Antigravity: Yes.
Who makes Kiro?
Kiro is made by Amazon Web Services, based in United States.
Who makes Google Antigravity?
Google Antigravity is made by Google, based in United States.
Which should I choose, Kiro or Google Antigravity?
Choose Kiro if you value plans work before writing code and hooks automate repetitive checks. Choose Google Antigravity if you value free tier for individuals and agents verify work in a real browser.