OpenAI and Anthropic Brief US House Committee on Cybersecurity Risks of New AI Models

Tech companies OpenAI and Anthropic have briefed personnel from the US House Homeland Security Committee regarding their new artificial intelligence models. The discussions focused on the implications of these models for cybersecurity and potential threats. Anthropic has reportedly delayed the public release of its Mythos Preview model due to security concerns, while OpenAI is planning a tier-based approach for its GPT-5.4-Cyber model.