Loading…
An AI-assisted newsroom with a human journalist always in the loop.
Companies
AI lab and product company behind ChatGPT and the GPT model family.
ChatGPT's launch defined the consumer AI era, and OpenAI remains a pace-setter on frontier models and the agent shift.
Each fact carries its own source note. Draft and source-check labels mean the item should not be treated as a finished reference entry.
About ten days after ChatGPT's launch, Sam Altman posted that it was a mistake to rely on it for anything important.[5]
In a January 6, 2025 blog post, Sam Altman wrote that OpenAI expected to see the first AI agents join the workforce in 2025 and materially change the output of companies.[6]
On January 21, 2025, OpenAI announced the Stargate Project, a venture intending to invest $500 billion over four years in new AI infrastructure in the United States, with SoftBank and OpenAI as lead partners alongside Oracle.[7]
OpenAI announced GPT-4o on May 13, 2024.[3]
OpenAI announced o1-preview on September 12, 2024.[4]
OpenAI described GPT-4 as accepting image and text inputs and emitting text outputs.[2]
OpenAI described GPT-4o as a model that can reason across audio, vision, and text in real time.[3]
OpenAI framed o1-preview as a model designed to spend more time thinking before responding.[4]
OpenAI introduced ChatGPT as a research preview for user feedback.[1]
OpenAI introduced GPT-5 on August 7, 2025 and described it as its first unified model combining the reasoning of the o-series with the fast responses of the GPT series.[8]
OpenAI launched ChatGPT on November 30, 2022.[1]
OpenAI presented GPT-4o as a step toward more natural human-computer interaction.[3]
OpenAI released GPT-4 on March 14, 2023.[2]
The New York Times sued OpenAI and Microsoft over alleged copyright violations in December 2023.[9]
Published 2022-11-30. Retrieved 2026-06-06.
Official launch post for ChatGPT as a research preview.
Published 2023-03-14. Retrieved 2026-06-06.
GPT-4 announcement.
Published 2024-05-13. Retrieved 2026-06-06.
GPT-4o multimodal model announcement.
Published 2024-09-12. Retrieved 2026-06-06.
First public reasoning model in the o1 line.
Published 2022-12-11. Retrieved 2026-06-06.
X oEmbed confirms this text and renders the date as Dec. 11, 2022 UTC. In U.S. Eastern time, the timestamp is Dec. 10, 2022. Text: 'ChatGPT is incredibly limited, but good enough at some things to create a misleading impression of greatness. it's a mistake to be relying on it for anything important right now. it’s a preview of progress; we have lots of work to do on robustness and truthfulness.'
Published 2025-01-06. Retrieved 2026-06-06.
Altman: 'We believe that, in 2025, we may see the first AI agents “join the workforce” and materially change the output of companies.' Verbatim from his Reflections post.
Published 2025-01-21. Retrieved 2026-06-06.
Stargate: a new company intending to invest $500 billion over four years in U.S. AI infrastructure for OpenAI; lead partners SoftBank and OpenAI, with Oracle and MGX. Announced at the White House.
Published 2025-08-07. Retrieved 2026-06-06.
OpenAI introduced GPT-5 as a unified system with a fast model, a deeper reasoning model, and a real-time router.
Published 2023-12-27. Retrieved 2026-06-06.
Complaint filed Dec. 27, 2023 in The New York Times Company v. Microsoft Corporation et al., No. 1:23-cv-11195, S.D.N.Y.