Anthropic released Claude Fable 5, its most capable model for long-horizon agentic work, on June 9, 2026, but a U.S. government export directive forced it offline within three days. The model shares t…
Anthropic disabled its Fable 5 and Mythos 5 AI models globally after the US government issued an export control directive citing a potential narrow jailbreak, according to a June 12 statement. The dir…
New Zealand's National Cyber Security Centre has been granted direct access to Anthropic's Claude Mythos, a frontier AI model capable of finding and exploiting software vulnerabilities with minimal hu…
Mythos, despite being a top AI model, is not significantly ahead of competitors like GPT-5.5, and its hype is disproportionate to its actual improvement. The harness used to deploy AI models matters m…
UK spy chief Anne Keast-Butler called artificial intelligence an "unstoppable force" that is reconfiguring warfare and enabling technology to be weaponized below the threshold of traditional conflict.…
Anthropic released its Claude Mythos Preview AI model on April 7, 2026, through a restricted program called Project Glasswing after the model autonomously detected thousands of high-severity software …