The Deploy Log | Models and APIs
GPT-5.6 in Kiro
The GPT-5.6 model family, including Sol, Terra, and Luna, is now available in Kiro, and testing found that on Terminal-Bench 2.1, GPT-5.6 Terra completed successful tasks in Kiro at roughly 82% cost reduction.
The call on this one
What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.
It becomes $50 a year, and signing up now keeps your first year free.