Kiro vs Builder.io
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Kiro has the lower starting price: about $20 a month, against $24 for Builder.io.
At 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
- Fusion visual agent
- Design system awareness
- Figma to code
- Pull request output
- Slack and Jira triggers
| Feature | Kiro | Builder.io |
|---|---|---|
| Best for | Agentic IDE from AWS built around specs before code | Collaborative AI platform to build UI in your real codebase |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | $24/mo |
| Free plan | Yes | Yes |
| Made by | Amazon Web Services | Builder.io |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Kiro has the lower starting price: about $20 a month, against $24 for Builder.io.
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
- Up to 5 users
- 60 credits / month (15/day max)
- GitHub, Figma and VS Code integrations
Pro
$24/mo
- Per user
- 500 monthly credits
- Up to 3 design systems
- Pay-as-you-go for more usage
Team
$40/mo
- Per user, up to 20
- AI training opt-out
- Builder Agent in Slack and Jira
Enterprise
Custom
- Custom seats and credits
- Enterprise Git integrations
- Unlimited design systems
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
Builder.io
- Works on your existing codebase
- Lets non-engineers ship UI changes
- Respects your components
- Agent credits are limited
- Setup takes time for large repos
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 Builder.io if you want:
- Works on your existing codebase
- Lets non-engineers ship UI changes
- Respects your components
Watch out: agent credits are limited.
Kiro vs Builder.io FAQ
What is the difference between Kiro and Builder.io?
Kiro: Agentic IDE from AWS built around specs before code. Builder.io: Collaborative AI platform to build UI in your real codebase. Both are coding tools.
Is Kiro or Builder.io cheaper?
Kiro has the lower starting price: about $20 a month, against $24 for Builder.io.
Do Kiro and Builder.io have free plans?
Kiro: Yes. Builder.io: Yes.
Who makes Kiro?
Kiro is made by Amazon Web Services, based in United States.
Who makes Builder.io?
Builder.io is made by Builder.io, based in United States.
Which should I choose, Kiro or Builder.io?
Choose Kiro if you value plans work before writing code and hooks automate repetitive checks. Choose Builder.io if you value works on your existing codebase and lets non-engineers ship ui changes.