AI company Anthropic's IPO prospectus, filed on Monday, lists over a dozen China-related risks in its "Risk Factors" section. These include competition from open-weight models, U.S.-China geopolitical tensions, and supply chain vulnerability due to reliance on TSMC for chip manufacturing. The document notes that China's rise in open-weight models could put pressure on Anthropic's product pricing. Additionally, U.S. export controls on advanced chip technology might affect its operating costs and chip supply. Anthropic also disclosed that up to 7% of its revenue in the first nine months of this year was linked to Chinese accounts violating its usage policies, a revenue stream it expects to shrink after enhanced enforcement.