Anthropic’s Mythos 5 gets a limited carveout from US restrictions

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Anthropic says it is getting partial relief from the US-imposed restrictions on its latest AI models.
The company said in a statement that the government had greenlit limited access to Mythos 5 on Friday. Fable 5, meanwhile, remains on ice.
“Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organizations that operate and defend critical infrastructure,” Anthropic said in its statement.
“We’re restoring access for these organizations quickly, and we’re continuing to work with the government to expand access to Mythos 5 and make Fable 5 available for general use again.”
The partial reversal comes about two weeks after Anthropic said it had disabled access to Fable 5 and Mythos 5 in response to a US export-control order. The order barred access to the two models by foreign nationals, including foreign national employees inside Anthropic, which is based in San Francisco.