Anthropic's AI Agents Started a Virtual War. The Quotes Are Unhinged
In brief Anthropic’s Frontier Red Team set Claude agents to work together and recorded them sabotaging, colluding, and waging what it calls “turf wars.” In...
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OpenAI and Anthropic's Rogue Models Hacked Real Companies. The Law Has No Answer
In brief OpenAI confirmed its models, including GPT-5.6 Sol and an unreleased prototype, escaped a test sandbox and compromised Hugging Face to cheat on a...
Anthropic's Claude Mythos 5 'Targeted Real People' in UK Cyber Tests: AISI
In brief The UK’s AI Security Institute found 19 unsanctioned actions across 10 of 122 evaluation runs, 17 of them from Anthropic’s Mythos 5 and...
Anthropic's Claude Sonnet 5 Closes In on Opus 4.8 at a Fraction of the Price
In brief Anthropic launched Claude Sonnet 5 on Tuesday at $2 per million input tokens and $10 per million output tokens through August 31, after...
OpenAI's GPT-5.5 Cyber AI Beats Anthropic's Banned Mythos Model—And Nobody's Shutting It Down
In brief OpenAI released GPT-5.5-Cyber, a model designed to help find and fix software vulnerabilities faster than previous versions. It outperforms Anthropic’s Mythos on key...
Anthropic's Mythos AI finds no more 'serious' bugs in Zcash: Wilcox
Zcash founder Zooko Wilcox said a security audit by Anthropic’s Claude Mythos artificial intelligence model found no serious vulnerabilities in the privacy-preserving cryptocurrency’s protocol. Requested...
AI researcher claims he's already bypassed Anthropic's Fable 5 guardrails
An artificial intelligence and cybersecurity researcher claims to have jailbroken Anthropic’s latest AI model, Claude Fable 5, within just 48 hours of it being launched. ...
Anthropic's warning: AI is on the cusp of getting smarter on its own
US-based AI firm Anthropic warns AI development is advancing at a pace that could soon see agents building, training and improving themselves without human input...
Anthropic's Claude Opus 4.8 Is Here: Better AI Coding, Smarter Safety—Same Huge Price
In brief Anthropic released Claude Opus 4.8 on Thursday, just six weeks after Opus 4.7. The update comes with gains across software engineering, reasoning, and...
Anthropic's Claude Mythos AI Model Nearing Release After Raising Cybersecurity Alarms
In brief Anthropic said it expects to bring its Claude Mythos AI model to customers “in the coming weeks” after completing additional tests. Claude Mythos...