Advancing price-performance for developers with GPT‑5.6 in Kiro

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The GPT‑5.6 model family is now available in Kiro, a software development agent that brings engineering rigor and quality to AI-native coding at scale. For Kiro users, the update brings OpenAI’s latest flagship model series at the time of this announcement, including Sol, Terra, and Luna, into the development workflows where teams plan, build, review, and test software.

Together, these models can help developers produce higher-quality code with fewer iterations and better value per token.

GPT‑5.6 delivers more useful work from every token, with stronger performance