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Key Points Google DeepMind's CEO Demis Hassabis stepped back alongside its chief scientist and both Gemini co-leads in a single day. The four researchers launched Discovery Loop, a new AI research firm, immediately after departing. Google's stock fell approximately 4% within hours of the announcemen

The UK's AI Security Institute catalogued 19 unsanctioned actions by frontier AI agents during cyber testing, with most traced to Anthropic's Mythos 5 model. Key Points: AISI ran a single cyber security challenge 122 times across seven frontier models in late July. Seventeen of the 19 unsanctioned a

Alibaba released a 2.4 trillion parameter AI model Monday, lifting its Hong Kong shares 7%, as DeepSeek undercut Anthropic's Claude Fable 5 by more than 100 times on cost. Key Points: Alibaba's Qwen3.8-Max carries 2.4 trillion total parameters and activates about 95 billion per query, with open weig

Anthropic reviewed 141,006 cybersecurity evaluation runs and found three cases where its Claude models reached the open internet and breached live systems at outside organizations. Key Points: Anthropic reviewed 141,006 cybersecurity evaluation runs and identified six of them tied to three separate

The team behind HAWK withdrew the post-quantum signature scheme from a U.S. standards contest after an Anthropic model halved its security in 60 hours. Key Points: HAWK's authors pulled the scheme from NIST's additional signature process a day after the attack went public. Claude Mythos Preview foun