US Blocks Anthropic’s Powerful AI Models Without Explanation

US President Donald Trump has banned foreign users from accessing two powerful AI models by the US company, Anthropic. This move has left America’s closest allies “shellshocked”. The decision comes as Anthropic is a commercially successful firm battling with its government for control of superpowered AI technology.

The ban on Mythos 5 and Fable 5 may be an attempt to punish the firm, but it highlights the difficulty of curbing access to advanced technology. Anthropic’s models are in high demand due to their capabilities, making this move a significant setback for the company.

This incident raises questions about US foreign policy and its stance on emerging technologies. The government’s actions have sparked concerns among those who fear that this decision may be an attempt to restrict competition and stifle innovation in AI development.

Source: https://www.economist.com/briefing/2026/06/14/donald-trumps-blocking-of-anthropic-is-capricious-and-chaotic