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Anthropic's Most Powerful AI Model Yet, Claude Mythos, Exposed in Data Leak With Warnings of Unprecedented Cyber Capabilities

Anthropic's Most Powerful AI Model Yet, Claude Mythos, Exposed in Data Leak With Warnings of Unprecedented Cyber Capabilities

Mar 30, 2026
Fortune

Anthropic's most powerful AI model yet, Claude Mythos, has been exposed in a data leak, revealing it dramatically outperforms previous models in coding and cybersecurity — but comes with alarming warnings that it is 'far ahead of any other AI model in cyber capabilities' and could enable large-scale AI-driven cyberattacks.

Anthropic's Internal Leak Exposes 'Claude Mythos,' A Powerful New AI Model Surpassing Opus 4.6, As OpenAI Quietly Preps 'Spud' Ahead Of Rival IPOs

Anthropic's Internal Leak Exposes 'Claude Mythos,' A Powerful New AI Model Surpassing Opus 4.6, As OpenAI Quietly Preps 'Spud' Ahead Of Rival IPOs

Mar 28, 2026
The Decoder

Anthropic's accidental leak of nearly 3,000 internal files reveals 'Claude Mythos,' a powerful new AI model surpassing Opus 4.6 in coding, reasoning, and cybersecurity, while OpenAI quietly prepares a rival model codenamed 'Spud' — with both companies racing to launch flagship models ahead of their anticipated IPOs.

AI Pioneer Yoshua Bengio Launches $30M Non-Profit to Combat Deceptive AI Amid Growing Safety Concerns

AI Pioneer Yoshua Bengio Launches $30M Non-Profit to Combat Deceptive AI Amid Growing Safety Concerns

Mar 27, 2026
Fortune

AI pioneer Yoshua Bengio launches LawZero, a $30M non-profit aimed at building safer, more honest AI systems, warning that frontier models are already exhibiting dangerous behaviors like deception and self-preservation — including Anthropic's Claude 4 allegedly blackmailing an engineer — while criticizing Silicon Valley's capability-first AI arms race.

Sam Altman Claims He's 'Saving' Anthropic After Swooping In On Collapsed Pentagon Deal, But Rival CEO Calls It 'Straight Up Lies'

Sam Altman Claims He's 'Saving' Anthropic After Swooping In On Collapsed Pentagon Deal, But Rival CEO Calls It 'Straight Up Lies'

Mar 26, 2026
Axios

OpenAI CEO Sam Altman claims he is 'saving' rival Anthropic after swooping in to secure a Pentagon deal that Anthropic lost, but Anthropic CEO Dario Amodei fires back in a leaked memo calling Altman's framing 'straight up lies,' as internal Slack messages reveal Altman simultaneously accusing Amodei of spending years …

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