Anthropic sued over alleged Claude Max usage misrepresentation

Anthropic, the artificial intelligence company behind the Claude chatbot, is facing a proposed class-action lawsuit alleging it misled customers about the usage limits of its premium subscription plans. The complaint, filed on Monday, June 15, 2026, in the U.S. District Court for the Northern District of California, accuses the company of fraudulent marketing.

The lawsuit was brought by Karl Kahn, a Washington, D.C.-based software developer. He alleges that Anthropic’s “Max 5x” and “Max 20x” subscription tiers, which cost $100 and $200 per month respectively, provide far less usage than their advertised promise of five and twenty times the access of the standard $20-per-month Claude Pro plan. According to the filing, Kahn upgraded to the Max 20x plan in April 2026 for coding work but quickly encountered restrictive caps, with a single five-hour session consuming roughly 15% of his weekly allowance.

The core allegation is that the actual limits are difficult for users to predict or measure, making it impossible to verify if they are receiving the advertised level of service. The complaint references emails Anthropic allegedly sent to subscribers in July 2025 outlining weekly...