Anthropic's S-1 shows an 85% gross margin in H1 from running its models, a reality check for skeptics who said pay-as-you-go model sales wouldn't be profitable (Stephanie Palazzolo/The Information)

Anthropic's S-1 filing reveals an impressive 85% gross margin in H1, stemming from the operation of its models. This disclosure serves as a significant reality check for those skeptics who previously doubted the profitability of a pay-as-you-go model sales approach. The long-awaited initial public offering prospectus, released on Monday, provided these key financial details, addressing concerns about the viability of their business model.