According to Anthropic (@AnthropicAI) on Twitter, the company has partnered with the National Nuclear Security Administration (NNSA) to develop a pioneering AI classifier that detects nuclear weapons-related queries. This innovation is designed to enhance safeguards in artificial intelligence systems, ensuring AI models do not facilitate access to sensitive nuclear knowledge while still allowing legitimate educational and research use. The classifier represents a significant advancement in AI safety, addressing regulatory compliance and security concerns for businesses deploying large language models, and opening new opportunities for AI vendors in high-compliance sectors (Source: @AnthropicAI, August 21, 2025).