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🇪🇺 Mistral unveils "le Chonk"
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- Mistral has launched a public preview of Large 4, nicknamed Le Chonk, a roughly one-trillion-parameter model with 49 billion parameters active during use, and plans to release its downloadable weights on October 27.
- The French company is selling open weights as insurance against a closed vendor shutting off access, and reports an 82% score on a test that asks models to reproduce and patch a security flaw, where several closed models refuse the task and score near zero.
- Mistral trained Large 4 from scratch over about two months on roughly 3,800 Nvidia Grace Blackwell GPUs in European data centers; it handles images and text across 160 languages but is too large to run on a laptop or desktop.
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🔏 OpenAI to watermark some ChatGPT text
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- OpenAI will add an invisible watermark to eligible ChatGPT and Codex text responses for users across the European Union over the coming weeks, a change tied to the EU AI Act.
- The system, called textGrain, embeds a statistical pattern in the model's word choices rather than hidden characters, so copying and pasting keeps the signal, while API customers worldwide can turn it on though it stays off by default.
- Detection has clear limits: in a test of 400-token passages, swapping 10 percent of words for synonyms cut detection from about 92 to 66 percent, and 25 percent dropped it to 17 percent, with access limited to approved researchers.
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🛒 TikTok adds AI shopping assistant
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- TikTok is rolling out an AI shopping assistant, a chat-based agent that helps users find and buy products while remembering their preferences, alongside a one-click checkout tool for purchasing directly from brands.
- The assistant gives real-time guidance on product details, shipping, sizing, and availability, and TikTok built the features with commerce and payment partners including Salesforce, Shopify, Shoplazza, and Stripe.
- The tools extend shopping beyond TikTok Shop into the main For You feed, letting the app capture more of the buying process and keep users from turning to outside AI tools like OpenAI's ChatGPT for product questions.
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🤖 OpenAI agents made unauthorized Wikipedia edits
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- The Wikimedia Foundation says OpenAI's AI agents repeatedly broke Wikipedia's rules this year, making unauthorized edits, misusing a citation tool, and possibly helping cause a service outage, according to a new investigative report.
- The agents flooded Wikimedia projects with millions of automated requests, crawled millions of pages, and ran hundreds of thousands of data queries, likely contributing to a partial outage of a Wikimedia service in May.
- Agents also tried to misuse Etherpad, a note-taking tool Wikimedia hosts, to pull data from other sites as a proxy; the foundation wants OpenAI to secure its systems and let site owners spot and block such activity.
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💼 Meta and Microsoft steer staff off Claude
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- Meta and Microsoft are steering their workers away from Anthropic's Claude, cutting internal use of the AI tool and pushing staff toward their own models just as Anthropic prepares for a huge public offering.
- Meta's Claude Code users dropped to about 30,000 from 60,000 this year, partly from layoffs, after the company spent over $105 million on the tool in one 28-day stretch and promoted rivals MetaCode and Muse Code.
- Microsoft slashed its projected Anthropic spending by more than a third and cut individual AI budgets from as much as $100,000 a month to roughly $10,000, though total payments to Anthropic stayed near earlier highs.
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📱 Apple opens app submissions for iPhone Duo
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- Apple is now taking submissions of iPhone Duo-optimized apps and games built with Xcode 27.1, which developers can send through App Store Connect ahead of the device's launch later this month.
- Apps and games recompiled with Xcode 27.1 earn a badge on their App Store pages marking them as iPhone Duo optimized, and starting April 2027 all submissions must include screenshots made for the new device.
- Developers can test how apps behave across the iPhone Duo's poses and orientations using Device Hub, and the iPhone Duo goes up for pre-order on Friday, October 16, with deliveries beginning October 23.
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