Kiro
Kiro Free ($0/month): 50 credits with open-weight models and Claude Sonnet 4.5.
AI Coding
What you get
A perpetual free tier with 50 credits a month and access to open-weight models and Claude Sonnet 4.5.
How to get it
Download Kiro from kiro.dev and sign in with a social login or AWS Builder ID.
What it requires
A social login or AWS Builder ID.
The catch
Claude Sonnet 4.5 on Free requires signing up with a social login or AWS Builder ID, and usage is rate-limited.
From the official page · checked Oct 25, 2026