Anthropic’s Fable fiasco leaves the door open for open-source AI, particularly cheaper models from China

The U.S. government's ban on Anthropic's Fable and Mythos models for non-U.S. users has accelerated adoption of open-source AI, particularly from Chinese labs like DeepSeek and Moonshot AI. Chinese models, including Knowledge Atlas's GLM-5.2, are gaining traction globally due to their cost-effectiveness and accessibility, with four Chinese models now dominating OpenRouter's most-used list.