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OpenAI Release notes and new features

San Francisco, US · 64 releases · 24 this month

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Also onAcquisitions(4 acquisitions)·Paydays(Pay schedule)·TechConf(9 conferences)

OpenAI releases

September 2026 digest
DateRelease
Sep 22Introducing GPT-6 Sol and Luna
ChatGPTUpdate
Sep 22OpenAI releases GPT-6 Sol and GPT-6 Luna reasoning models
OpenAI APIUpdate
Sep 17Introducing Astra for Law
ChatGPTUpdate
Sep 16Reimagining advertising with AI
ChatGPTUpdate
Sep 15OpenAI API adds API key creation governance controls
OpenAI APIUpdate
Sep 10Build more natural voice experiences with GPT‑Live‑1 in the API
OpenAI APIUpdate
Sep 10Expanding AI access and cyber defense for federal, state, local, and tribal governments
ChatGPTPricing
Sep 10Introducing ChatGPT for Financial Services
ChatGPTUpdate
Sep 10Introducing the Agents API
OpenAI APIUpdate
Sep 10Now everyone can put data to work
ChatGPTUpdate
Sep 10OpenAI Agents API enters public beta
OpenAI APIBeta
Sep 10OpenAI GPT-Live 1 is generally available for full-duplex voice
OpenAI APIGA
Sep 10OpenAI project API keys support expiration dates
OpenAI APIUpdate
Sep 9GPT-6 Astra: The next generation in intelligence for work
ChatGPTUpdate
Sep 8Introducing ChatGPT Images 2.5
ChatGPTUpdate
Sep 8OpenAI GPT-Rosalind is GA for approved life sciences research
OpenAI APIGA
Sep 8OpenAI releases GPT Image 2.5 Sunburst and GPT Image 2.5 Flare
OpenAI APIUpdate
Sep 8OpenAI Prompt Cache Diagnostics is generally available in the Responses API
OpenAI APIGA
Sep 3GPT-6 Astra: A new generation of intelligence
ChatGPTUpdate
Sep 3OpenAI Responses API adds async tool calling and mid-turn steering for GPT-6 Astra
OpenAI APIUpdate
Sep 3OpenAI releases GPT-6 Astra for complex end-to-end work
OpenAI APIUpdate
Sep 2OpenAI API separates slow_down 429s from server_is_overloaded 503s
OpenAI APIUpdate
Sep 1Healthcare organizations can now connect EHR and additional industry data to ChatGPT
ChatGPTUpdate
Sep 1OpenAI API supports IPv6 connections to api.openai.com
OpenAI APIUpdate
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 cuts GPT-5.6 Sol pricing to $4 input and $20 output per MTok
OpenAI APIPricing
Aug 21OpenAI API adds per-request regional processing via prefixed domains
OpenAI APIUpdate
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 13Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
ChatGPTPreview
Aug 13OpenAI announces Ultrafast mode for GPT-5.6 Sol in limited preview
OpenAI APIPreview
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
Jul 30Advancing the price-performance frontier with GPT-5.6
ChatGPTPricing
Jul 30OpenAI cuts GPT-5.6 Luna price 80% and Terra 20%, Fast mode replaces Priority
OpenAI APIPricing
Jul 29Accelerating scientific discovery with ChatGPT for Academic Researchers
ChatGPTUpdate
Jul 29OpenAI releases an official Terraform provider
OpenAI APIUpdate
Jul 28OpenAI releases GPT Transcribe and GPT Live Transcribe
OpenAI APIUpdate
Jul 23Launching Health in ChatGPT
ChatGPTUpdate
Jul 22Introducing OpenAI Presence
ChatGPTUpdate
Jul 22OpenAI API adds hard spend limits for organizations and projects
OpenAI APIPricing
Jul 9ChatGPT is now a partner for your most ambitious work
ChatGPTUpdate
Jul 9GPT-5.6 is now the preferred model in Microsoft 365 Copilot
ChatGPTUpdate
Jul 9GPT-5.6: Frontier intelligence that scales with your ambition
ChatGPTUpdate
Jul 9OpenAI releases the GPT-5.6 model family: Sol, Terra and Luna
OpenAI APIUpdate

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

About and activity

OpenAI is an American artificial intelligence (AI) public benefit corporation (PBC) headquartered in San Francisco, California. It develops proprietary generative AI models, particularly its generative pre-trained transformer (GPT) series of large language models.

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github.com
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Agents SDK (Python) releases
github.com
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API changelog (developers)
developers.openai.com
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help.openai.com
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Release Notes
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