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OpenAI Deploys GPT-5.6 in Kiro to Target Price-Performance

OpenAI announced price-performance advancements for developers using GPT-5.6 in Kiro on August 24, 2026.

By Xentir Media Newsroom · Editorial standards by Jomon · August 24, 2026 · 1 min read
WHAT YOU NEED TO KNOW
  • OpenAI announced GPT-5.6 in Kiro on August 24, 2026.
  • The announcement focuses on price-performance for developers.
EPOCH CAPABILITIES INDEX (ECI)GPT-6 Astra169Claude Fable 5.1164Claude Fable 5163Claude Opus 5163GPT-5.5 Pro162GPT-5 (07 Aug 2025)150Source: Epoch AI Benchmarking Hub - CC BY 4.0 - as of 2026-09-21

OpenAI announced an advancement in price-performance for developers using GPT-5.6 in Kiro on August 24, 2026. The company published the update focusing on developer implementations of the GPT-5.6 model inside the Kiro environment.

SOURCES
Advancing price-performance for developers with GPT‑5.6 in Kiro — OpenAI
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IN THE AI INDEX

Models named in this story, with their current rank on the index:

GPT-5 (07 Aug 2025) · #48 overallClaude Fable 5.1 · #2 overallClaude Fable 5 · #3 overallClaude Opus 5 · #4 overallCompare: GPT-5 (07 Aug 2025) vs GPT-5 Pro →See the full AI Model Rankings →
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