Advancing price-performance for developers with GPT‑5.6 in Kiro
UpdateVerifiedAdded Sep 22, 2026
GPT‑5.6 is now available in Kiro, helping developers plan, build, review, and test software with better price-performance.
Topics: Pricing, Coding agents, Performance
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More OpenAI API releases
Every OpenAI API release| Date | Release | Type |
|---|---|---|
| Aug 26 | OpenAI deprecates whisper-1 and gpt-4o transcribe models, shutdown February 26, 2027 Deprecation | Deprecation |
| Aug 21 | OpenAI API adds per-request regional processing via prefixed domains Update | Update |
| Aug 21 | OpenAI cuts GPT-5.6 Sol pricing to $4 input and $20 output per MTok Pricing | Pricing |
| Aug 20 | OpenAI launches a Prompt Caching dashboard Update | Update |
| Aug 20 | OpenAI gpt-image-2 adds transparent backgrounds in preview Preview | Preview |
| Aug 29 | OpenAI API mTLS and X.509 workload identity federation are GA GA | GA |
| Sep 1 | OpenAI API supports IPv6 connections to api.openai.com Update | Update |
| Sep 2 | OpenAI API separates slow_down 429s from server_is_overloaded 503s Update | Update |
