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OpenAI API Release notes from OpenAI

33 releases · 14 this month

Official notes RSS
DateRelease
Sep 22OpenAI releases GPT-6 Sol and GPT-6 Luna reasoning models
Update
Sep 15OpenAI API adds API key creation governance controls
Update
Sep 10Build more natural voice experiences with GPT‑Live‑1 in the API
Update
Sep 10Introducing the Agents API
Update
Sep 10OpenAI Agents API enters public beta
Beta
Sep 10OpenAI GPT-Live 1 is generally available for full-duplex voice
GA
Sep 10OpenAI project API keys support expiration dates
Update
Sep 8OpenAI GPT-Rosalind is GA for approved life sciences research
GA
Sep 8OpenAI releases GPT Image 2.5 Sunburst and GPT Image 2.5 Flare
Update
Sep 8OpenAI Prompt Cache Diagnostics is generally available in the Responses API
GA
Sep 3OpenAI Responses API adds async tool calling and mid-turn steering for GPT-6 Astra
Update
Sep 3OpenAI releases GPT-6 Astra for complex end-to-end work
Update
Sep 2OpenAI API separates slow_down 429s from server_is_overloaded 503s
Update
Sep 1OpenAI API supports IPv6 connections to api.openai.com
Update
Aug 29OpenAI API mTLS and X.509 workload identity federation are GA
GA
Aug 26OpenAI deprecates whisper-1 and gpt-4o transcribe models, shutdown February 26, 2027
Deprecation
Aug 24Advancing price-performance for developers with GPT‑5.6 in Kiro
Update
Aug 21OpenAI cuts GPT-5.6 Sol pricing to $4 input and $20 output per MTok
Pricing
Aug 21OpenAI API adds per-request regional processing via prefixed domains
Update
Aug 20OpenAI gpt-image-2 adds transparent backgrounds in preview
Preview
Aug 20OpenAI launches a Prompt Caching dashboard
Update
Aug 13OpenAI announces Ultrafast mode for GPT-5.6 Sol in limited preview
Preview
Aug 7OpenAI Daybreak adds Blue and Red access tiers for defenders
Update
Aug 6OpenAI updates chat-latest to the newest ChatGPT model
Update
Aug 5OpenAI Fast mode supports long-context requests for GPT-5.6 models
Update
Aug 4OpenAI Usage and Costs dashboards filter and group by API key
Update
Jul 30OpenAI cuts GPT-5.6 Luna price 80% and Terra 20%, Fast mode replaces Priority
Pricing
Jul 29OpenAI releases an official Terraform provider
Update
Jul 28OpenAI releases GPT Transcribe and GPT Live Transcribe
Update
Jul 22OpenAI API adds hard spend limits for organizations and projects
Pricing
Jul 9OpenAI releases the GPT-5.6 model family: Sol, Terra and Luna
Update
Jul 6OpenAI releases GPT-Realtime-2.1 and GPT-Realtime-2.1 mini
Update
Jun 24OpenAI updates chat-latest to the latest ChatGPT Instant model
Update

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

About and activity

Models, the Responses API, the Agents API and platform features.

Other OpenAI products: ChatGPT, Codex

Releases per month
1Jun
6Jul
12Aug
14Sep
Official release-notes pages 8
Release-notes pageFeed
Agents SDK (JS) releases
github.com
RSS
Agents SDK (Python) releases
github.com
RSS
API changelog (developers)
developers.openai.com
None
ChatGPT , Release Notes
help.openai.com
None
ChatGPT Enterprise and Edu release notes
help.openai.com
None
Node SDK releases
github.com
RSS
Python SDK releases
github.com
RSS
Release Notes
openai.com
None

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