Advancing price-performance for developers with GPT‑5.6 in Kiro
GPT‑5.6 is now available in Kiro, helping developers plan, build, review, and test software with better price-performance.
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Resolves by Sep 10, 2026
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OpenAI's latest flagship model series, including Sol, Terra, and Luna, is now available through Kiro, a software development agent designed to help teams write code at scale. The GPT-5.6 models deliver more output per token while reducing costs, and when used in Kiro's structured environment, they showed roughly 82% cost reduction on a benchmark test. Kiro's approach converts high-level ideas into clear requirements and tasks, allowing developers to complete complex coding work more consistently while reviewing the model's output at key checkpoints before implementation. OpenAI and AWS collaborated to optimize these models for the Kiro environment, enabling developers to match intelligence, speed, and cost to different stages of software development.
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