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… There's no telling if the NSA purportedly using Mythos is a sign that the DOD may be warming up to Anthropic again, or if there's a schism inside the agency that believes Mythos is a first-rate necessity. …
… Calif published the vulnerability overview as part of a series of blog posts called the Month of AI-Discovered Bugs, since this new Apple vulnerability falls within a set of security findings aided by AI tools — in this case, Anthropic's Mythos Preview. …
Anthropic disabled its two most capable AI models, Claude Fable 5 and Claude Mythos 5, for every customer worldwide on Friday, after the U.S. government issued an export control directive barring access by any foreign national, according to a statement the company published that evening. …
… That sort of task compression on a job of such massive scope illustrates how Fable 5 and Mythos 5 "can work autonomously for longer than any previous Claude models," in addition to their high overall level of capability. …
… When Anthropic refused, the Pentagon deemed the company a supply chain risk, though Amodei has been to the White House to discuss Mythos. …
… A recurring internal test that asks each new model to make training code run faster saw results climb from roughly triple the original speed with Claude Opus 4 in May 2025 to about 52 times with the unreleased Mythos Preview model in April. …
Wired has identified SK Telecom as the South Korean telecom company whose access to Anthropic's Claude Mythos model the White House ordered revoked over alleged ties to China, days before the Trump administration imposed the export controls that pulled Anthropic's most advanced AI models offline . …
… Public reaction on the ClaudeAI subreddit appears to be split into roughly three camps. …
… In a post on X on Saturday, Sacks laid out the administration's account a day after it ordered both Fable 5 and Mythos 5 disabled worldwide . …
… On an internal test that asks each new model to make training code run faster, results climbed from roughly triple the original speed with Claude Opus 4 in May 2025 to about 52 times with the unreleased Mythos Preview model by April 2026, against the four to eight hours a skilled researcher needs f… …