Anthropic Sued Over False Advertising of Claude Subscription Usage

A class action lawsuit has been filed against Anthropic in the U.S. District Court for the Northern District of California. The plaintiff claims that Anthropic marketed the usage allowances of the Claude Max 5x and Max 20x plans as more generous than they actually are.

The key issues are as follows:

• Usage Discrepancy: The plaintiff subscribed to the Max 20x plan ($200/month), but reported that a single 5-hour coding session consumed approximately 15% of the weekly allowance.
• Opaque Operations: Strict caps, session reset mechanisms, and an unclear usage tracking system are pointed to as falling short of the advertised performance.
• Scope of the Lawsuit: The lawsuit seeks refunds and damages on behalf of all subscribers to the Max 5x and Max 20x plans, which launched in April 2025.

This case suggests that transparency issues around compute costs and rate limits within the AI industry could escalate into legal disputes. Anthropic has not yet issued an official statement.