OpenAI described several cases of misaligned agent behavior. On October 6, an evaluation model that could not find the answers it was supposed to rate fabricated ratings.
On October 6, 2026, OpenAI released more than 700 manuscripts at once, claiming solutions to hundreds of open math problems.
Same story, featured as“OpenAI shares AI results on open mathematics problems with Lean proofs on GitHub”
OpenAI unveiled its new AI agent Dots at DevDay, with Sam Altman pledging to "set a new standard for privacy in frontier AI.
Andreessen Horowitz published the seventh edition of its Top 100 AI list.
TypeSafe's Jev crossed $100M ARR in its first week.
OpenAI released nearly 400 AI-generated mathematical results across more than 700 manuscripts.
Same story, featured as“OpenAI shares AI results on open mathematics problems with Lean proofs on GitHub”
Asana used GPT-6 Astra in Codex to make its browser agent 76x cheaper and 5x faster in tests. The goal is to offer customers more capable models.
OpenAI's annualized revenue rate stood at roughly $50 billion at the end of September.
Why it matters: The revenue restatement and the accounting gap between OpenAI and Anthropic show how comparable the two companies' numbers really are.
Amazon will stop using NDAs in data center negotiations with local governments, following Microsoft's similar move earlier this year. On the Equity podcast.
AWS's September 2026 Bedrock updates added OpenAI's GPT-6 Astra, Sol, and Luna models.
Trump signed an executive order forbidding use of "AI" where possible, rebranding it "super intelligence" and calling users of the old term "THE ENEMY." CAISI became CAISSI.
Instinct, an invite-only AI agent that works over iMessage, WhatsApp, and email.
OpenAI released 722 manuscripts, organized into 372 families, containing results on open mathematical problems produced by an internal frontier model.
Why it matters: The piece catalogs the specific results, the verification split and the community pushback, so readers can gauge what actually landed.
Simon Willison shipped a Newsletters index page for his blog.
Three fired OpenAI safety researchers say their terminations are spreading fear among remaining staff and could deter employees from flagging safety issues. In an open letter to OpenAI's Safety and Security Committee, Safety Advisory Group and Mission Advisory Council, Tomek Korbak, Jasmine Wang and Mikita Balesni deny being the source of a leak to The Information and demand that OpenAI embed external auditors like METR with employee-level access, preserve frontier model monitorability, and define how staff may work with outside safety groups. OpenAI says a thorough investigation found the three violated clear policies on handling sensitive information and that it does not terminate employees for raising concerns, without specifying the additional breach it cited.
OpenAI is standing firm on its decision to fire three safety researchers after an internal investigation found they committed a significant breach of trust. In a post on X on Friday.
Sophos uses OpenAI's Daybreak to cut cyber-threat investigation time by 96% and automate 52% of MDR cases while preserving human oversight.
MIT Technology Review argues that refusal has become the "load-bearing wall" of AI safety.
OpenAI exposed a Russian and an Iranian influence operation and banned the ChatGPT accounts involved.
Simon Willison released ttok 1.0, switching the default tokenizer from GPT-4 to the GPT-5/GPT-6 family. The change follows an experiment by William Liu showing all seven GPT models (5.5.
LegalOn cut estimated daily Codex costs by 65% while maintaining development speed. It matched Astra, Sol, and Luna to tasks and managed budgets strategically.
OpenAI fired safety researchers Tomek Korbak, Mikita Balesni and Jasmine Wang.
Jasmine Wang, Tomek Korbak, and Mikita Balesni, the three safety researchers OpenAI fired last week.
A group of mathematicians, in a statement shared by Fields Medalist Terence Tao.
OpenAI released hundreds of claimed solutions to hard math problems this week.
OpenAI has told investors its annualized revenue is approaching $50 billion, roughly $20 billion below the $70 billion figure previously shared with investors.
Arena, the UC Berkeley-originated crowdsourced AI model leaderboard, raised a $200 million Series B at a $3.1 billion valuation.
Ben Affleck went viral this week for explaining neural networks, transformers, tensors.
USA Today Co. and several local newspapers it owns are suing OpenAI.
Pollo AI is using GPT-5.6, GPT-6 Astra, and GPT-Image-2.5 to help creators turn ideas into detailed images and cinematic video ads.
Oracle is using ChatGPT Work and Codex to turn specialist knowledge into fast, repeatable workflows across recruiting, engineering, and operations, cutting days of work down to minutes.
OpenAI says it disrupted two AI-enabled influence operations that used false-front journalists and a think tank to spread geopolitical messaging.
OpenAI solved 90 of the top 500 open math problems.
Luca Guadagnino's satirical Sam Altman biopic Artificial premiered at the New York Film Festival.
Meta's Muse and OpenAI's Dots are new always-on consumer AI agents pitched as personal assistants.
ICANN received 1,615 new top-level domain applications from 481 applicants, with AI-related strings dominating. Ten companies including Meta and OpenAI applied for .agent.
Anthropic shipped Claude Haiku 5.5, its first Haiku-tier update in about a year.
Same story, featured as“Anthropic releases Claude Haiku 5.5 with up to 90 percent price cuts and large benchmark gains”
OpenAI released 372 mathematical results generated by an internal frontier model.
Same story, featured as“OpenAI shares AI results on open mathematics problems with Lean proofs on GitHub”
Personal AI agents such as Meta's Muse, Instinct and ChatGPT's Dots are being blocked by retail and travel sites.
OpenAI published 722 manuscripts covering 372 result families.
Same story, featured as“OpenAI shares AI results on open mathematics problems with Lean proofs on GitHub”