
Mistral releases Large 4 open weights, aims 1-trillion model at cyber defence
Mistral AI released the weights of Mistral Large 4, a model of about 1 trillion parameters aimed at cyber defence, on October 29, 2026.
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Mistral AI released the weights of Mistral Large 4, a model of about 1 trillion parameters aimed at cyber defence, on October 29, 2026.

Google announced Gemini 4 Carbon on October 28, 2026; it leads an independent AI index and is going first to vetted cyber defenders, with wider access later.

Web-security start-up Blackwall raised a $100 million Series C at a $2.2 billion valuation on October 20, 2026 to help hosting firms separate real visitors from bad bots.

Semperis's October 14, 2026 survey of 1,200 ransomware victims says AI was involved in 84% of attacks and staff were threatened in 40%.

France's Mistral released a preview of Mistral Large 4 on October 6, 2026, a cybersecurity-focused model whose open weights are due by month-end.
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