New AI models

Every day we read hundreds of stories. Only the most important ones are here — short, in our own words, with a link to the original source.

1. New AI models · Cybersecurity · Open source

   Mistral opens Large 4 weights for coding tasks

   Mistral has released open weights for Large 4, bringing improvements in coding and cybersecurity along with self-hosting options. The license requires separate terms for commercial model services.

   Full story at TestingCatalog AI News ↗
2. New AI models · Cybersecurity · Artificial intelligence

   Google unveils Gemini 4 Carbon for security fixes

   Google DeepMind introduced Gemini 4 Carbon, an AI model built to autonomously find and fix software security vulnerabilities. It arrives two weeks after Gemini 4 Argon and tops the Artificial Analysis Intelligence Index v5.0 with a score of 59, ahead of Anthropic's Claude Opus 5.5.

   Full story at SoyaCincau ↗
3. Artificial intelligence · New AI models

   Google DeepMind previews Genie 4 with live audio

   Google DeepMind has shown a preview of Genie 4, a real-time world model featuring native audio and live scene steering. The simulations are guided by Gemini.

   Full story at TestingCatalog AI News ↗
4. Artificial intelligence · New AI models

   Frontier AI is reshaping how mathematics is done

   Unreleased frontier AI systems reportedly formalized Wiles's proof of Fermat's Last Theorem and found a solution to the Navier-Stokes problem. Mathematicians reacted with optimism, anxiety and disorientation.

   Full story at Noema Magazine ↗
5. Artificial intelligence · New AI models · Open source · Programming & dev tools

   Mistral releases open weights for Mistral Large 4

   Mistral Large 4 (Le Chonk) is a 1T parameter multimodal model. Mistral calls it the best open-weight model for coding, trained in Europe.

   Full story at Mistral AI ↗
6. New AI models · Artificial intelligence · Cybersecurity

   Google introduces Gemini 4 Carbon for cyber defenders

   Gemini 4 Carbon leads cyber benchmarks, according to the report. It rolls out in phases to trusted defenders before wider access.

   Full story at TestingCatalog AI News ↗
7. Artificial intelligence · New AI models · Cybersecurity

   Chinese AI labs now mainly target OpenAI's Astra

   According to The Decoder, Chinese AI labs are now mainly tapping OpenAI's most powerful model, GPT-6 Astra, rather than Anthropic's Claude. This follows Anthropic tightening its defenses.

   Full story at The Decoder ↗
8. Artificial intelligence · New AI models

   Mistral Large 4 arrives on Hugging Face

   Hugging Face welcomes Mistral Large 4, nicknamed Le Chonk. The source gives no further details.

   Full story at huggingface.co ↗

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