Simon WillisonClaude Watch
The revenue number is real and public now, which means the IPO timeline is no longer speculation. For builders, this signals Anthropic is betting on Claude staying in demand as enterprise foundation models commoditize; if the company files, expect them to emphasize API usage growth and retention over headline model releases. For investors, the 50 percent quarterly growth is strong but you need to see the gross margin and unit economics in the S-1 filing.