India, June 13 -- Anthropic said on Friday it will "abruptly disable" its most advanced AI models for all users after the US government ordered it to suspend access for foreign nationals, citing national security concerns.

The company said it received an export control directive requiring suspension of access to its Fable 5 and Mythos 5 models for all foreign nationals. However, it added that it was not provided detailed information behind the national security assessment.

The directive arrives amid already strained ties between Anthropic and the US government. Earlier this year, the relationship fractured after the company refused to allow US military use of its AI systems for domestic surveillance and fully autonomous weapons. In resp...