Anthropic founders pledge to keep Claude ad-free

Anthropic's seven founders said in a letter included in the company's IPO prospectus that Claude will stay free of advertising. They argue that once ads become part of revenue targets, pressure builds on the assistant's answers.

• The principles letter is part of Anthropic's IPO prospectus
• All seven founders signed the ad-free pledge
• Ads would distort the incentives of the AI assistant, they say