Sources: Anthropic declined to submit Mythos 5.1 to the UK AISI for pre-release testing, prompting UK fears that US AI labs are aligning with US protectionism (Financial Times)

Anthropic reportedly declined to submit its Mythos 5.1 model to the UK AISI for pre-release testing. This decision has sparked concerns within the British government, suggesting that US AI laboratories might be aligning with US protectionism. The Financial Times reported on these developments, highlighting fears of a protectionist shift among technology groups.