AI News, Oct 30, 2026: Mistral opens weights of its trillion-parameter Large 4 model

Open-weight model releases, AI's pressure on Google search revenue, and new questions about AI agent oversight and job cuts.

1. 01
   OpenAI doubles usage limits on its paid plansThe Decoder

   OpenAI doubled usage limits across its paid plans from Pro 100 to Pro 500 and reversed a planned cut to the Pro 200 quota after user pushback.

   Why it matters

   Paying ChatGPT users can do more before hitting caps, and a planned cut to the Pro 200 plan was dropped.
2. 02
   OpenAI-backed Thrive Holdings to buy ADT for $15.3 billionTechCrunch

   Thrive Holdings, which is backed by OpenAI, agreed to acquire home security company ADT in a $15.3 billion deal and plans to bring AI to the business.

   Why it matters

   The home security company behind many alarm systems plans to add AI to its service.
3. 03
   Gemini can now create and edit Docs, Sheets, slides and PDFs in chatThe Verge AI

   Google began letting all Gemini users generate, preview and edit PDFs, Google Docs, Sheets, slide decks, Markdown and text files, and code directly in Gemini chats.

   Why it matters

   Gemini users can draft and revise common documents without leaving the chat window.
4. 04
   Contractor's personal AI agent ran on a secure Pentagon network for two monthsWIRED AI

   Sources told WIRED an Accenture employee's personal Claude agent operated on a Department of Defense network for two months before the vulnerability was found and patched.

   Why it matters

   Shows how personal AI tools used at work can slip into sensitive systems unnoticed.
5. 05
   Microsoft offers voluntary buyouts to about 60,000 employeesThe Verge AI

   Microsoft is offering voluntary buyouts to around 60,000 employees, which The Verge reports as a sign AI will change the size of its workforce.

   Why it matters

   One of the largest tech employers is shrinking its workforce as it leans on AI, a signal for jobs across the industry.
6. 06
   US Justice Department examines Nvidia's planned Hugging Face acquisitionThe Decoder

   The US Justice Department is looking into Nvidia's planned acquisition of open-source AI platform Hugging Face and the company's sales practices.

   Why it matters

   A major hub for open AI models could change hands, which matters to anyone relying on freely shared models.
7. 07
   Mistral opens weights of its trillion-parameter Large 4 modelMistral AI

   Mistral released the weights of Large 4, a 1-trillion-parameter multimodal model trained in Europe that it says is the best open-weight model for coding.

   Why it matters

   Organizations can run a strong coding and security model on their own systems instead of relying on a closed provider.
8. 08
   Google says AI search earns less than regular search; stock fallsThe Decoder

   Google shares fell as much as 10% after earnings showed search revenue up 12%, slower than expected, and the company acknowledged its AI Mode earns less than traditional search.

   Why it matters

   The way Google pays for search is shifting, which could mean more ads in the AI answers you see.