# US allows limited access to Anthropic's Mythos AI model > Source: > Published: 2026-06-27 06:32:03+00:00 SAN FRANCISCO, United States — Anthropic said Friday it had received authorization from the U.S. government to allow a small group of American cybersecurity firms to access its powerful AI model Mythos 5. Access to Mythos 5 had been blocked by U.S. authorities due to concerns about national security. Anthropic will continue discussions with the Trump administration to "expand access to Mythos 5 and make Fable 5 available again" to the general public, a company spokesperson said. The government abruptly forced Anthropic to cut off access to its two cutting-edge artificial intelligence models on June 12 after discovering vulnerabilities in the safeguards put in place to prevent misuse of the tool. The strong action against Anthropic has drawn accusations of government overreach. Secretary of Commerce Howard Lutnick said in a letter to the company, cited by Politico and Reuters, that "Anthropic has worked with the U.S. government to address risks associated with the Covered Models." "These efforts have yielded significant progress," he said. Commerce department spokesperson Benno Kass said "