OpenAI’s ChatGPT has reached one billion global monthly active users, making it the fastest app to cross that threshold, according to estimates from market intelligence firm Sensor Tower.

OpenAI CEO Sam Altman has placed a quiet, personal bet on a new physical AI company, adding fresh momentum to a sector that is rapidly becoming the next frontier for venture capital.

Anthropic has raised $65 billion in a recent Series H funding round, valuing the artificial intelligence company at $965 billion post-money.

OpenAI Chief Executive Sam Altman has pledged two million dollars worth of application programming interface (API) tokens to every startup in the current Y Combinator batch in exchange for a future equity stake

OpenAI has released GPT-5.5, its newest artificial intelligence model, describing it as the company's most capable and intuitive model to date.

OpenAI has acquired personal finance startup Hiro Finance, the company's founder, Ethan Bloch, recently announced. Terms of the deal were not disclosed.

OpenAI has introduced GPT‑5.4‑Cyber, a variant of its frontier AI model that has been specifically fine-tuned to be more permissive for cybersecurity tasks.

Japanese conglomerate SoftBank Group has obtained a $40 billion bridge loan to support its investments in OpenAI, and for general corporate purposes, the Japanese investment conglomerate said last week.

OpenAI has confirmed it is discontinuing its Sora video platform, the tool that allowed users to generate and share AI-created video clips.

Encyclopedia Britannica and its Merriam-Webster subsidiary have filed a lawsuit against OpenAI in Manhattan federal court, accusing the company of misusing their reference materials to train its AI models.

A top hardware executive at OpenAI has resigned over the company's recent agreement with the US Department of Defense, citing concerns that the deal was announced without proper safeguards in place.

Users are uninstalling ChatGPT in large numbers, with removals surging 295% following OpenAI's agreement to put its technology on the US Department of War's classified network.

Nvidia is close to finalising a $30 billion investment in OpenAI as part of a fundraising round seeking more than $100 billion, according to a recent report by Reuters, which cites a person familiar with the matter.

Peter Steinberger, the founder of the open-source AI assistant OpenClaw, is joining OpenAI, while the project itself will transition into an independent foundation, the companies announced on Sunday.

OpenAI has recently launched Prism, a free, AI-powered workspace designed for scientists to write and collaborate on research papers.

OpenAI has begun rolling out an age prediction system for ChatGPT to identify accounts likely belonging to users under 18 and apply additional safety features.

OpenAI's Chief Financial Officer, Sarah Friar, recently announced that the company's annualised revenue for 2025 has surpassed $20 billion, a significant increase from $6 billion in 2024.

Elon Musk is seeking up to $134 billion in damages from OpenAI and Microsoft, claiming he is owed the "wrongful gains" they earned from his early involvement with the AI company.

OpenAI has recently announced that it will purchase up to 750 megawatts of computing power from chipmaker Cerebras in a deal valued at more than $10 billion over its three-year lifespan, as per a Reuters report.

OpenAI has launched a dedicated health tool within its ChatGPT platform called 'ChatGPT Health', which allows users to connect their medical records and fitness app data to inform the AI's responses.