Anthropic resumes limited Mythos 5 rollout after US eases restrictions

OpenAI said earlier in the day that it was delaying a full public launch of GPT-5.6 at the US government’s request, limiting its access to a small group of vetted partners whose details were shared with the authorities. Anthropic had abruptly disabled its most advanced AI models — Mythos 5 and Fable 5 — for all users after the government’s June 12 export control order. “Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organisations that operate and defend critical infrastructure,” Anthropic ?said ?in a statement on Friday. “We’re…