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OpenAI

OpenAI is the San Francisco company that makes ChatGPT, the GPT model family and the Codex coding agent. It began in 2015 as a nonprofit research lab and, after an October 2025 recapitalization, is now a public benefit corporation controlled by a nonprofit foundation, a structure that shapes debates about its mission and its investors.

83 stories · updated Oct 16

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Key facts

Checked Oct 9

Founded: Announced December 11, 2015, as a nonprofit
Headquarters / registered office: 1455 Third Street, San Francisco, CA 94158 (OpenAI OpCo, LLC)
Structure: OpenAI Foundation (nonprofit) controls OpenAI Group PBC; announced October 28, 2025
Ownership (per OpenAI, at the Oct 2025 recapitalization): Foundation ~26%; Microsoft ~27%; employees and investors ~47%. Not updated by OpenAI for later rounds (e.g. Mar 31, 2026)
ChatGPT launch: November 30, 2022
Codex (agent) launch: Codex CLI April 16, 2025; Codex cloud agent May 16, 2025
Current ChatGPT models (Oct 7, 2026): GPT-6 Sol (Plus, Pro, Business, Enterprise); GPT-6 Luna (Free, Go)
Stargate announced: January 21, 2025; $500B planned over four years (company plan)

Latest on OpenAI

Models · NewsMicrosoft MAI-Base-2: a 2.8-trillion-parameter base model, a 4–12x efficiency claim, and no release dateMicrosoft AI finished pretraining MAI-Base-2, a 2.8T-parameter mixture-of-experts model with 80B active parameters, on 16,000 GB200 GPUs, it said on October 15, 2026. What Microsoft claims, what Mustafa Suleyman reportedly told staff about OpenAI, and why you can't use it yet.Oct 16·4 min read

Products · ExplainerAds in ChatGPT explained: who sees them, how targeting works and how to turn them offChatGPT ads have run on the Free and Go plans since February 9, 2026, and OpenAI is about to test visual ads during image generation. How ChatGPT ads work, what data targets them, how to limit or remove them, and what The Information reports about OpenAI cutting ad prices.Oct 16·7 min read

Policy · NewsWhite House 'Super Intelligence Force' adopts charter: a 120-day AI risk review and breach-reporting rules for labsThe White House superintelligence task force held its first meeting on October 15, 2026, and formally adopted its charter, Semafor reported. According to Semafor, the adoption started a 120-day window, and the force agreed to commission a frontier-AI risk report from PCAST and put a Pentagon official in charge of breach-reporting protocols for AI labs.Oct 16·5 min read

Policy · NewsApple v. OpenAI trade secrets lawsuit: judge orders early discovery, OpenAI agrees not to use disputed informationIn the Apple v. OpenAI trade secrets lawsuit, Judge Edward Davila partly granted Apple's request for expedited discovery on October 13, 2026. A day later, OpenAI agreed not to use the information Apple says was taken while the case continues. OpenAI, meanwhile, says an employee who went back to Apple took more than 100 of its own files.Oct 16·6 min read

Industry · AnalysisAI stocks and credit sell-off, October 2026: what happened with CoreWeave's bonds, the chip rout and inflationBetween October 13 and 15, 2026, CoreWeave bond yields rose to about 15%, a hot inflation report briefly pushed the 10-year Treasury yield above 5.3%, Barclays downgraded Dell and the chip sell-off spread to South Korea. What happened in the AI stocks and credit sell-off, day by day, and what the signals do and don't show.Oct 16·7 min read

Industry · AnalysisAI security acquisitions: Proofpoint buys Varonis for $6.3 billion and Cohere moves on AISLE. What the deals sayOn October 15, 2026, Proofpoint agreed to buy Varonis for about $6.3 billion in cash, and Cohere signed a letter of intent to acquire the AI bug-hunting startup AISLE. Together with OpenAI's reported Trail of Bits talks, the AI security acquisitions point to two different bets: securing the data AI agents touch, and owning AI that finds and fixes bugs.Oct 16·7 min read

Products · NewsGPT-Live-1.1 and Grok Voice 3.0: what's new in ChatGPT Voice and xAI's voice APIOpenAI began rolling out GPT-Live-1.1 and a smaller GPT-Live-1.1 Quip in ChatGPT Voice on October 15, 2026, with 13 new voices and better accents. A day earlier, xAI released Grok Voice 3.0 in its Voice Agent API at an unchanged $0.08 a minute.Oct 16·5 min read

Policy · AnalysisAnthropic and OpenAI sought control over what independent AI evaluators publish, Reuters reports. Why evaluator independence mattersReuters reported on October 13, 2026, that as recently as October 5, Anthropic and OpenAI were seeking strict editorial control over what outside safety evaluators could publish, weeks after both CEOs pledged evaluators would publish without it. What was reported, what the companies say, and why it matters for every safety claim you read.Oct 14·7 min read

Industry · NewsOpenAI in early talks to acquire Trail of Bits, The Information reports: what's known about the deal and Patch the PlanetThe Information reported on October 13, 2026, that OpenAI is in early talks to buy Trail of Bits, the security firm it already works with on Patch the Planet, an open-source bug-fixing initiative. Deal size is unknown and neither company has commented publicly.Oct 14·4 min read

Models · ExplainerOpenAI loop transformers: what's reported about GPT-6.1 Sol and OpenAI's next model, and what a looped transformer isThe Information reported on October 13, 2026, that OpenAI is working through safety issues tied to loop transformers before shipping its next flagship model. What's actually confirmed, what OpenAI's GPT-6.1 Sol safety addendum shows, how the cancelled GPT-6.1 Astra fits in, and how looped transformers work.Oct 14·7 min read

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