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OpenAI

OpenAI, August 2026 new features

24 releases · 3 products · 1 GA · 4 Preview · 1 Deprecation · 2 Pricing

Jul 2026Sep 2026
DateRelease
Aug 29OpenAI API mTLS and X.509 workload identity federation are GA
OpenAI APIGA
Aug 26OpenAI deprecates whisper-1 and gpt-4o transcribe models, shutdown February 26, 2027
OpenAI APIDeprecation
Aug 25Introducing the Admin plugin for ChatGPT Work and Codex
CodexUpdate
Aug 24Advancing price-performance for developers with GPT‑5.6 in Kiro
OpenAI APIUpdate
Aug 21OpenAI API adds per-request regional processing via prefixed domains
OpenAI APIUpdate
Aug 21OpenAI cuts GPT-5.6 Sol pricing to $4 input and $20 output per MTok
OpenAI APIPricing
Aug 20OpenAI gpt-image-2 adds transparent backgrounds in preview
OpenAI APIPreview
Aug 20OpenAI launches a Prompt Caching dashboard
OpenAI APIUpdate
Aug 19Offering Zero Data Retention for frontier models
ChatGPTPreview
Aug 18ChatGPT Ads expands across Europe
ChatGPTUpdate
Aug 18Introducing ChatGPT for Teens: Built for learning, backed by protections
ChatGPTUpdate
Aug 13OpenAI announces Ultrafast mode for GPT-5.6 Sol in limited preview
OpenAI APIPreview
Aug 13Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
ChatGPTPreview
Aug 11Daybreak models are now available on AWS
ChatGPTUpdate
Aug 11Testing ads in ChatGPT
ChatGPTUpdate
Aug 10Expanding Daybreak as the Cyber Defense Window Narrows
ChatGPTUpdate
Aug 10Premium seats are coming to ChatGPT Business
ChatGPTPricing
Aug 10Putting frontier cyber models in more trusted hands
ChatGPTUpdate
Aug 7OpenAI Daybreak adds Blue and Red access tiers for defenders
OpenAI APIUpdate
Aug 6Improving GPT‑5.6 Sol in ChatGPT, and expanding access to GPT-5.6 Luna for free users
ChatGPTUpdate
Aug 6OpenAI updates chat-latest to the newest ChatGPT model
OpenAI APIUpdate
Aug 5OpenAI Fast mode supports long-context requests for GPT-5.6 models
OpenAI APIUpdate
Aug 4New ways to learn and teach with ChatGPT Work and Codex
CodexUpdate
Aug 4OpenAI Usage and Costs dashboards filter and group by API key
OpenAI APIUpdate

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