Anthropic is withholding Claude Mythos Preview because it appears capable of finding and weaponizing zero-days at a pace that could dramatically accelerate cyberattacks, and Project Glasswing is a race to patch critical software before Mythos-class capability becomes widely accessible to adversaries.

DeepSeek’s cost-efficient AI breakthrough disrupts the global tech market, sparking U.S. stock losses, geopolitical tensions, and a reexamination of AI investment strategies.