Anthropic has sent senior technical staff to Washington for negotiations over export restrictions on the Fable 5 and Mythos 5 AI models. This was reported by the WSJ and Axios, citing sources. According to Axios, the startup's technical specialists have been holding virtual meetings with White House representatives since the administration's first outreach. On June 12, U.S. authorities demanded that access to the models be suspended for any foreign nationals inside and outside the country, including Anthropic's foreign employees. The company stated that, due to the requirements, it was forced to shut down Fable 5 and Mythos 5 for…