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

The integration brings Sol, Terra, and Luna models to the development agent, reducing task costs on Terminal-Bench 2.1 by approximately 82%.

- Supports Sol, Terra, and Luna models across coding, planning, review, and testing workflows.
- Enables spec-driven development, checkpoint reviews before code implementation, and property-based testing.
- Developed in partnership with AWS to optimize runtime environments and model performance.

## Why it matters

Developers using Kiro can now apply OpenAI's GPT-5.6 models directly to codebase-level software tasks with lower token costs.

## Sources

- [OpenAI: Advancing price-performance for developers with GPT‑5.6 in Kiro](https://openai.com/index/gpt-5-6-in-kiro)

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Summarized by dstilled on 2026-08-24. https://dstilled.ai/story/6bc031d7-e1b3-4739-ba11-943572a85454