OpenAI

Artificial intelligence research organization

Follow OpenAI on Notably News to receive short updates to your email — rarely!

April 2025 OpenAI raised $40 billion at a $300 billion post-money valuation in the largest private technology deal on record, led by SoftBank with participation from Microsoft, Coatue, Altimeter, and Thrive.
March 2025 OpenAI introduced 4o Image Generation, a multimodal capability integrated into GPT-4o that enables native image creation and editing within ChatGPT.
March 2025 OpenAI released the o1-pro API, its most advanced and costly AI model designed for complex reasoning tasks, with pricing set at $150 per 1 million input tokens and $600 per 1 million output tokens.
March 2025 OpenAI signed an $11.9 billion agreement with CoreWeave, receiving $350 million in shares and access to AI infrastructure with over a quarter million NVIDIA GPUs.
February 2025 Official autopsy report confirms Balaji's death by suicide, noting he purchased the firearm two years prior and had recently searched for brain anatomy information. The report emphasizes the apartment was dead-bolted from inside with no signs of forced entry.
February 2025 OpenAI CEO Sam Altman expresses interest in collaborating with China, despite U.S. regulatory restrictions, in response to the growing influence of Chinese AI company DeepSeek.
February 2025 OpenAI underwent a rebranding with a new typeface, word mark, symbol, and palette. The company also began collaborating with Broadcom to design a custom AI chip for mass production in 2026.
February 14 2025 OpenAI rejected Elon Musk's acquisition bid, stating the company was not for sale.
February 13 2025 Sam Altman announced GPT-4.5 (internally 'Orion') as the last model without full chain-of-thought reasoning, with GPT-5 expected to unify O-Series and GPT-Series models in the coming months.
February 10 2025 A consortium of investors led by Elon Musk submitted a $97.4 billion unsolicited bid to buy the nonprofit controlling OpenAI.
February 2 2025 OpenAI unveiled Deep research, an AI agent that uses the o3 model to perform web browsing, data analysis, and generate comprehensive reports within 5 to 30 minutes. The agent demonstrated capabilities in web research and achieved 26.6 percent accuracy on the HLE benchmark.
February 2 2025 OpenAI made a deep research agent available to $200-monthly-fee users, achieving 26.6 percent accuracy on the Humanity's Last Exam (HLE) benchmark.
January 31 2025 Balaji's parents filed a public records lawsuit questioning the circumstances of his death and seeking further investigation.
January 24 2025 OpenAI launched Operator, an AI agent and web automation tool, available to Pro users in the U.S.A.
January 2025 o1 was integrated into Microsoft Copilot.
January 21 2025 OpenAI, Oracle, SoftBank, and MGX announced the Stargate Project, a joint $500 billion AI infrastructure venture with the US government, to be funded over four years.
January 20 2025 DeepSeek released the 'DeepSeek-R1' model, which rivaled OpenAI's o1 performance and was open-weight, costing only $5.6 million to train.
January 10 2025 Deadline for safety and security researchers to apply for early access to the o3 and o3-mini models.
2024 Sam Altman was temporarily removed and then returned, leading to a significant exodus of employees, including most of the original leadership team and AI safety researchers. The company planned a restructuring to become a for-profit organization.
2024 Approximately half of OpenAI's AI safety researchers leave the company, expressing concerns about the organization's role in broader industry challenges.
December 2024 OpenAI announced a partnership with defense-tech company Anduril to develop drone defense technologies for the United States and its allies.
December 2024 OpenAI launched a new feature allowing users to call ChatGPT for up to 15 minutes per month at no cost.
December 2024 OpenAI replaced the o1-preview model with the o1 model.
December 20 2024 OpenAI unveiled o3, the successor of the o1 reasoning model, along with o3-mini, a lighter and faster version. The models are currently not available for public use and are in testing phase.
December 5 2024 OpenAI launched the full version of o1 to ChatGPT users, marking the official public release of the advanced generative AI model.
December 5 2024 OpenAI launched its '12 Days of OpenAI' event, announcing Sora (text-to-video model), the o1 model with advanced reasoning capabilities, ChatGPT Pro subscription service, and expanded Canvas feature.
November 2024 A coalition of Canadian news outlets, including the Toronto Star, Metroland Media, Postmedia, The Globe and Mail, The Canadian Press, and CBC, sued OpenAI for using their news articles to train its software without permission.
November 2024 Greg Brockman rejoined OpenAI after a three-month leave, collaborating with Sam Altman on key technical challenges.
November 26 2024 Suchir Balaji is found dead in his San Francisco apartment. Initial police investigation rules there is no evidence of foul play, with the medical examiner confirming suicide as the cause of death.
October 2024 Apple researchers submitted a preprint investigating the reasoning capabilities of large language models like o1, revealing performance variability based on problem presentation and additional contextual information.
October 2024 Nobel Prize winner Geoffrey Hinton publicly expressed pride in Ilya Sutskever's role in firing Sam Altman from OpenAI.
October 2024 The Intercept revealed that OpenAI's tools are considered 'essential' for AFRICOM's mission, included in a Department of Defense contractual agreement with Microsoft.
October 2024 OpenAI raised $6.6 billion from investors, potentially valuing the company at $157 billion, with investments from Thrive Capital, Khosla Ventures, Microsoft, Nvidia, and SoftBank.
September 12 2024 OpenAI released the o1-preview and o1-mini models, designed to take more time to think about responses, improving accuracy in science, coding, and reasoning tasks. These models were initially made available to ChatGPT Plus and Team members.
August 2024 Suchir Balaji resigns from OpenAI after publicly criticizing the company for alleged copyright law breaches in ChatGPT development.
August 5 2024 Cofounder John Schulman left OpenAI to join rival startup Anthropic, citing a desire to focus more on AI alignment research.
July 2024 Reuters reported OpenAI was developing a generative pre-trained transformer known as 'Strawberry', which later became o1.
July 2024 Microsoft resigned from the OpenAI board.
July 25 2024 OpenAI unveiled SearchGPT, a prototype AI-powered search engine with a limited initial release to 10,000 test users, combining traditional search functionality with generative AI capabilities.
July 18 2024 OpenAI released GPT-4o mini, a smaller and more cost-effective version of GPT-4o. The new model replaced GPT-3.5 Turbo on the ChatGPT interface, with significantly reduced API costs of $0.15 per million input tokens and $0.60 per million output tokens, targeting enterprises, startups, and developers for service automation.
June 24 2024 OpenAI acquired Multi, a startup running a collaboration platform based on Zoom.
June 13 2024 OpenAI announced Paul Nakasone, former head of the NSA, was joining its board and security subcommittee.
June 10 2024 OpenAI partnered with Apple Inc. to bring ChatGPT features to Apple Intelligence and iPhone.
May 2024 OpenAI revealed that it had destroyed its Books1 and Books2 training datasets, which the Authors Guild believed contained over 100,000 copyrighted books, potentially in response to ongoing copyright litigation.
May 23 2024 OpenAI sends a memo releasing former employees from the non-disparagement agreement following public scrutiny and Daniel Kokotajlo's public statement about forfeiting his vested equity to avoid signing.
May 22 2024 OpenAI entered an agreement with News Corp to integrate news content from The Wall Street Journal, New York Post, The Times, and The Sunday Times into its AI platform.
May 19 2024 OpenAI and Reddit announced a partnership to integrate Reddit's content into OpenAI products, including ChatGPT, allowing access to Reddit's Data API.
May 17 2024 Vox publishes an article revealing OpenAI's controversial non-disparagement agreement for departing employees, which forbids criticism of the company and prevents employees from acknowledging the agreement's existence.
May 15 2024 Ilya Sutskever resigned as Chief Scientist, and Jan Leike departed from the superalignment team, citing erosion of safety and trust in OpenAI's leadership.
May 13 2024 OpenAI announced and released GPT-4o, a multimodal AI model capable of processing and generating text, images, and audio. The model achieved state-of-the-art results in voice, multilingual, and vision benchmarks, scoring 88.7% on the Massive Multitask Language Understanding (MMLU) benchmark.

We are only showing the most recent entries for this topic.

This contents of the box above is based on material from the Wikipedia articles OpenAI o1, Removal of Sam Altman from OpenAI & OpenAI, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.

See Also