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.
Added to The Deploy Log , updated . Read Edition 49, the edition that carried it.
132 rows from OpenAI in The Deploy Log are dated on or before this one, this one included.