GPT-5.6 cuts task costs by 82% on Terminal-Bench
OpenAIDevs · x · 2026-08-25
OpenAI collaborated with AWS to optimize Kiro and GPT-5.6 for stronger price-performance. On Terminal-Bench 2.1, GPT-5.6 Terra delivered an approximately 82% cost reduction per successful task when run within Kiro's spec-driven development environment.
Related event: GPT-5.6 Integrated into Kiro with 82% Lower Task Costs(2 posts)→
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