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© 2026 Simon-Pierre Boucher · AI Atlas. Data is aggregated from public sources and attributed on every page.

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Company Timeline

Timeline of OpenAI

Every recorded change for this company, newest first. Back to the entity page →

41 events

Year

All years 2026 2025

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,337 Companies1,601 Research1,104 Releases1,019 Providers & pricing640 Datasets146 Frameworks136 Hardware44 Pricing14 Repositories10

Filtered to one entity. Show the whole atlas

Events per month · 11 months shown

Dec 2025 3

18 Dec 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing GPT-5.2-Codex
openai
openai.com
16 Dec 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing ChatGPT Images and GPT‑Image‑1.5
openai
openai.com
11 Dec 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing GPT-5.2
openai
openai.com

Nov 2025 4

19 Nov 2025
AnnouncementCompanyOpenAI
OpenAI: Building more with GPT-5.1-Codex-Max
openai
openai.com
18 Nov 2025

Oct 2025 3

30 Oct 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing Aardvark: OpenAI’s agentic security researcher
openai
openai.com
29 Oct 2025

Sept 2025 7

30 Sept 2025
AnnouncementCompanyOpenAI
OpenAI: Launching Sora responsibly
openai
openai.com
30 Sept 2025

Aug 2025 11

28 Aug 2025
ReleaseRepositorygpt-ossOpenAI
openai/gpt-oss released v0.0.5
github
github.com
28 Aug 2025

Jul 2025 1

17 Jul 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing ChatGPT agent
openai
openai.com

Jun 2025 2

26 Jun 2025
AnnouncementCompanyOpenAI
OpenAI: Customizable, no-code voice agent automation with GPT-4o
openai
openai.com
26 Jun 2025

May 2025 2

16 May 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing Codex
openai
openai.com
12 May 2025

Apr 2025 3

23 Apr 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing our latest image generation model in the API
openai
openai.com
16 Apr 2025

Mar 2025 3

25 Mar 2025
AnnouncementCompanyOpenAI
OpenAI: Introducing 4o Image Generation
openai
openai.com
20 Mar 2025

Feb 2025 2

27 Feb 2025
AnnouncementCompanyOpenAI
OpenAI: OpenAI GPT-4.5 System Card
openai
openai.com
2 Feb 2025

Showing up to 400 events. Narrow by year or category, or use the changes feed for cursor-paged history. Times are UTC.

AnnouncementCompanyOpenAI

OpenAI: Intuit and OpenAI join forces on new AI-powered experiences

openai

13 Nov 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing GPT-5.1 for developers

openai

3 Nov 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing IndQA

openai

AnnouncementCompanyOpenAI

OpenAI: Introducing gpt-oss-safeguard

openai

6 Oct 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing AgentKit, new Evals, and RFT for agents

openai

AnnouncementCompanyOpenAI

OpenAI: Sora 2 System Card

openai

29 Sept 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.8

github

15 Sept 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.7

github

15 Sept 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing upgrades to Codex

openai

15 Sept 2025

AnnouncementCompanyOpenAI

OpenAI: Addendum to GPT-5 system card: GPT-5-Codex

openai

3 Sept 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.6

github

AnnouncementCompanyOpenAI

OpenAI: Introducing gpt-realtime and Realtime API updates

openai

18 Aug 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.4

github

12 Aug 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.3

github

11 Aug 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.2: Add API compatibility test (#114)

github

7 Aug 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing GPT-5 for developers

openai

7 Aug 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing GPT-5

openai

6 Aug 2025

ReleaseRepositorygpt-ossOpenAI

openai/gpt-oss released v0.0.1

github

5 Aug 2025

AnnouncementCompanyOpenAI

OpenAI: Open Weights and AI for All

openai

5 Aug 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing gpt-oss

openai

5 Aug 2025

AnnouncementCompanyOpenAI

OpenAI: Estimating worst case frontier risks of open weight LLMs

openai

ReleaseRepositorywhisperOpenAI

openai/whisper released v20250625

github

AnnouncementCompanyOpenAI

OpenAI: Introducing HealthBench

openai

AnnouncementCompanyOpenAI

OpenAI: Introducing OpenAI o3 and o4-mini

openai

14 Apr 2025

AnnouncementCompanyOpenAI

OpenAI: Introducing GPT-4.1 in the API

openai

AnnouncementCompanyOpenAI

OpenAI: Introducing next-generation audio models in the API

openai

18 Mar 2025

AnnouncementCompanyOpenAI

OpenAI: New in ChatGPT for Business: March 2025

openai

AnnouncementCompanyOpenAI

OpenAI: Introducing deep research

openai