AI news from Ars Technica

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1. Company apologizes after AI support agent invents policy that causes user uproar

   Frustrated software developer believed AI-generated message came from human support rep.

2. OpenAI releases new simulated reasoning models with full tool access

   New o3 model appears "near-genius level," according to one doctor, but it still makes mistakes.

3. Researchers claim breakthrough in fight against AI’s frustrating security hole

   Prompt injections are the Achilles' heel of AI assistants. Google offers a potential fix.

4. 4chan has been down since Monday night after “pretty comprehensive own”

   Early info is unreliable, but the site has been mostly unavailable for hours.

5. OpenAI continues naming chaos despite CEO acknowledging the habit

   OpenAI's brand-new "GPT-4.1" has a funky name but reasonable performance for the price.

6. Amid Trump tariff chaos, Nvidia launches AI chip production on US soil

   New announcement seems aimed at appeasing Trump, signals company shift.

7. That groan you hear is users’ reaction to Recall going back into Windows

   Snapshotting and AI processing a screen every 3 seconds. What could possibly go wrong?

8. Researcher uncovers dozens of sketchy Chrome extensions with 4 million installs

   Even weirder: Why would Google give so many the "Featured" stamp for trustworthiness?

9. Researchers concerned to find AI models misrepresenting their “reasoning” processes

   New Anthropic research shows AI models often fail to disclose reasoning shortcuts.

10. OpenAI helps spammers plaster 80,000 sites with messages that bypassed filters

    Company didn't notice its chatbot was being abused for (at least) 4 months.