Kiro Free tier (AWS)
Kiro Free tier (AWS) Free app
The catch: 50 credits go fast: one prompt can cost more than a credit and Claude Sonnet costs 1.3x Auto. Free-tier content may be used for service improvement unless you opt out.
| Access | Free app |
|---|---|
| Free limits | 50 credits per month shared across Claude Sonnet 4.5 (1.3x Auto cost), Sonnet 4.0, Auto, DeepSeek 3.2, MiniMax M2.5 and M2.1, GLM-5 and Qwen3 Coder Next. |
| Modality | text, code |
| Credit card | Not required |
| Commercial use | – |
| Trains on your data | Yes, on the free tier |
| Licence or terms | AWS Customer Agreement and AWS Intellectual Property License |
| Context window | 200,000 tokens |
| Model id | – |
| Base URL | – |
| Last checked | 8 Oct 2026 |
How to use Claude Sonnet 4.5 (+ Sonnet 4.0, Auto, open-weight models)
Use it in the app or the browser with a free account. There is no free API behind it.
Paste into Claude Code
I want to use "Claude Sonnet 4.5 (+ Sonnet 4.0, Auto, open-weight models)" for free in Kiro Free. Please: 1. Check the provider's own pages and tell me how to get the free plan and what it includes today. 2. Tell me the real free limits and what needs a paid plan. Listed limits: 50 credits/month. 3. Tell me whether my chats are used for training and how to turn that off. 4. If I need API access for a project, tell me the cheapest way to get it.
Before you ship on it
- 50 credits go fast: one prompt can cost more than a credit and Claude Sonnet costs 1.3x Auto. Free-tier content may be used for service improvement unless you opt out.
- Prompts on the free tier may be used to train models. Keep customer data off it.
- Kiro is licensed as 'AWS Content' under the AWS Customer Agreement and AWS Intellectual Property License. No free-tier commercial-use restriction found; third-party automation harnesses are not permitted.
- Free tiers are shared capacity: treat the limits as a ceiling, not a promise, and keep a paid fallback.
Questions
Is Kiro Free tier (AWS) free?
Yes. Kiro Free offers it as free app, with these limits: 50 credits/month. No credit card is needed.
Can I use Kiro Free tier (AWS) commercially?
The provider’s terms do not say. Ask them before you build a product on it.
How do I start with Kiro Free tier (AWS)?
Use it in the app or the browser with a free account. There is no free API behind it.
Source: kiro.dev/docs/models/, checked 8 Oct 2026.