A Brief History of Claude Account Bans: Anthropic's Three Years of Bans and the Cat-and-Mouse Game with Chinese Users
Anthropic's IPO prospectus discloses that in the first nine months of 2026, approximately 5% to 7% of revenue came from customers later determined to have violated usage policies, amounting to $1.65 billion to $2.31 billion based on roughly $33 billion in revenue for the first three quarters. In the first half of 2026, Anthropic banned 11.4 million accounts, averaging about 63,000 per day, nearly 8 times the figure for the second half of 2025; during the same period, only 42,000 of 398,000 appeals overturned the original penalties, a rate of about 10.6%. Claude has not yet opened to mainland China, but it already supports simplified and traditional Chinese interfaces, and a UnionPay option once appeared on the payment page.
Anthropic's IPO prospectus discloses that in the first nine months of 2026, approximately 5% to 7% of revenue came from customers later determined to have violated usage policies, amounting to $1.65 billion to $2.31 billion based on roughly $33 billion in revenue for the first three quarters. In the first half of 2026, Anthropic banned 11.4 million accounts, averaging about 63,000 per day, nearly 8 times the figure for the second half of 2025; during the same period, only 42,000 of 398,000 appea
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