OpenAI has selected elite law firms Cooley and Wachtell, Lipton, Rosen & Katz to lead its preparations for a 2026 initial public offering, signaling a concrete step toward a public listing that could value the company at up to $1 trillion.
OpenAI has surpassed $25 billion in annualized revenue, driven by surging enterprise adoption and API usage, as corporate AI spending continues to accelerate across industries worldwide.
A new OpenAI-led study introduces 'CoT controllability' as a safety metric, finding that current AI models cannot reliably manipulate their chain-of-thought reasoning — but warns that more powerful future systems could learn to deceive safety monitors.
SoftBank is pursuing a bridge loan of up to $40 billion, primarily to fund its stake in OpenAI, in what would be one of the largest financing deals ever arranged for a single technology investment.
OpenAI launches GPT-5.4, its most capable frontier model, featuring built-in computer-use capabilities, a 1-million-token context window, 33% fewer hallucinations, and new agentic workflow tools for professional tasks.
Nvidia CEO Jensen Huang revealed at a Morgan Stanley conference that the company's recent stakes in OpenAI and Anthropic are likely its final investments in both, citing upcoming IPOs as the closing window for such deals.
Anthropic CEO Dario Amodei is reportedly back at the negotiating table with Pentagon official Emil Michael, seeking a compromise AI contract even after the DoD blacklisted the company and struck a rival deal with OpenAI.
Max Schwarzer, OpenAI's VP of Research who led post-training for GPT-5 and o3, announced his departure to join Anthropic, citing trust in colleagues there and a desire to return to individual contributor research.
In an internal memo reported by The Information, Anthropic CEO Dario Amodei accused OpenAI of 'safety theater,' calling Sam Altman's framing of the Pentagon deal 'straight up lies' and a false attempt to present himself as a peacemaker.
Global venture capital investment hit a record $189 billion in February 2026, with AI companies OpenAI, Anthropic, and Waymo accounting for the lion's share, according to a new Crunchbase report.
OpenAI launches GPT-5.3 Instant, a new model update targeting user experience improvements such as reducing condescending tone, preachy disclaimers, and unsolicited emotional reassurances in ChatGPT responses.
U.S. ChatGPT uninstalls jumped 295% day-over-day after OpenAI's Pentagon deal was announced, while Anthropic's Claude surged to the top of the U.S. App Store as users switched platforms over AI ethics concerns.
OpenAI CEO Sam Altman confirms the company is amending its Department of Defense contract to add explicit limits on AI use for mass domestic surveillance and fully autonomous weapons, following intense public backlash.
OpenAI published a blog post outlining its agreement with the Department of Defense, maintaining red lines against mass domestic surveillance and autonomous weapons, even as CEO Sam Altman acknowledged the deal was rushed and generated significant backlash — including Anthropic's Claude surpassing ChatGPT in the App Store.
Over 300 Google employees and 60 OpenAI employees have signed an open letter urging their companies to support Anthropic’s refusal to grant the Pentagon unrestricted use of its AI technology.
OpenAI has secured a contract with the Pentagon for its AI models, just as the Trump administration designates rival Anthropic a ‘supply chain risk,’ barring it from government contracts.
An investigation into the Tumbler Ridge mass shooting has revealed the perpetrator maintained a second ChatGPT account that OpenAI's safety systems missed, prompting Canada's AI minister to demand stronger platform accountability from OpenAI.
OpenAI has terminated an employee who allegedly used confidential company information to make trades on prediction market platforms including Polymarket, violating the company's policy against using insider knowledge for personal gain.
OpenAI announced that ChatGPT has reached 900 million weekly active users and 50 million paying subscribers, with January and February 2026 on track to be the largest months for new subscriber additions in company history.
OpenAI has closed one of the largest private funding rounds in history at $110 billion, with Amazon investing $50 billion and Nvidia and SoftBank each contributing $30 billion at a $730 billion pre-money valuation.
