Why Washington wants a 30-day look at frontier AI before it ships, and is backing a voluntary approach

Since April 2026, AI labs have begun keeping their most powerful models behind vetted-access programs. Anthropic limited its Claude Mythos system and OpenAI its GPT-5.5-Cyber to approved security partners, each billed as able to spot and exploit software flaws with unprecedented precision. Also in April, OpenAI announced its GPT-Rosalind life-sciences model, gating it over biosecurity… The post Why Washington wants a 30-day look at frontier AI before it ships, and is backing a voluntary approach