Saturday, June 20, 2026

The Korean Telecom Large on the Heart of Anthropic’s Mythos Controversy


The Trump administration’s transfer to impose export controls on Anthropic’s strongest AI expertise adopted a spat over the corporate granting South Korean telecom large SK Telecom entry to its Claude Mythos mannequin, based on folks aware of the matter. US officers had been involved about what they alleged had been SK Telecom’s ties to China, these folks stated.

These issues seem to have compounded when Amazon later flagged vulnerabilities it recognized in Fable 5 to the White Home. Fable 5 is a extremely safeguarded model of Mythos that Anthropic launched to the general public on June 9. The Amazon researchers claimed that it was doable to bypass a few of Fable 5’s guardrails and entry Mythos’ formidable cybercapabilities, although Anthropic and exterior cybersecurity specialists have argued these dangers are usually not distinctive to Claude.

The confluence of occasions is what finally led the White Home to find out that it couldn’t belief Anthropic to safeguard its most superior AI expertise, based on an individual near the administration. On Friday, the Trump administration ordered Anthropic to revoke entry to Mythos and Fable 5 for all overseas nationals, together with immigrants contained in the US.

Somewhat than gate entry to its expertise primarily based on nationality, a course of that might be tough to implement whereas additionally preserving privateness, Anthropic determined it was higher to disable entry to the fashions fully. The White Home and Anthropic stay at odds after days of negotiations about bringing Claude Mythos and Fable 5 again on-line.

Anthropic declined to remark. The White Home and SK Telecom didn’t instantly reply to a request for remark. The Washington Submit beforehand reported that Trump administration officers had been alarmed to study that the Mythos recipients included a “South Korean telecommunications firm” they believed had hyperlinks to China, although the article didn’t identify the agency. In response to that reporting, SK Telecom advised a Korean newspaper that the “nameless insider’s remarks in overseas media lack verified info, and our firm has no ties to China.”

An individual near Anthropic stated the corporate considered SK Telecom’s entry to Mythos and the vulnerabilities that Amazon recognized as separate points. They famous that the letter the US authorities despatched to Anthropic demanding that it prohibit entry to Claude Mythos and Fable 5 solely to US nationals doesn’t reference the Korean firm or China.

As a result of Claude Mythos is exceptionally expert at figuring out software program vulnerabilities, Anthropic restricted early entry to a small group of trusted organizations by way of a program referred to as Venture Glasswing. Earlier this month, SK Telecom, South Korea’s largest wi-fi provider, turned one among roughly 150 firms to obtain entry to Mythos as Anthropic expanded this system “following a number of weeks of shut collaboration” with exterior specialists and the US authorities.

SK Telecom has poured capital into Anthropic a number of instances, together with a $100 million funding in 2023 that coincided with the formation of a industrial partnership to develop an AI mannequin tailor-made to the telecommunications trade. It was one among a number of Korean organizations to take part in Venture Glasswing, together with Samsung Electronics and the Korea Web and Safety Company.

Earlier this month, shortly after Anthropic introduced Venture Glasswing’s newest enlargement, the White Home requested Anthropic to revoke SK Telecom’s entry to Mythos, based on an individual near the AI lab. The corporate instantly complied, sources inform WIRED, and the US authorities didn’t threaten to place export controls on the mannequin on the time.

Whereas SK Telecom itself doesn’t seem to have massive operations in China, it’s a part of a a lot larger conglomerate referred to as SK Group, whose associates keep in depth enterprise pursuits within the nation spanning semiconductors, vitality, and different industries.

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