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Anthropic Faces Lawsuit Over Misleading Claude Max Usage Claims

Federal judge allows class action lawsuit regarding deceptive advertising of AI subscription limits.

Courthouse News2 min

1Legal Challenge to AI Marketing

A federal judge in California has allowed a class action lawsuit against Anthropic to proceed. The plaintiffs argue that the company’s marketing for its Claude Max plans, which promises five or twenty times more usage than the Pro tier, is misleading. The court found these advertising claims plausibly deceptive to consumers.

2Discrepancy in Usage Limits

Anthropic offers Max plans for $100 and $200 monthly, claiming significantly higher capacity than the $20 Pro tier. However, users discovered that while per-session limits are higher, weekly allowances do not scale proportionally. Plaintiffs calculated that Max 20x users actually receive only six times the weekly usage of Pro subscribers.

3Hidden Disclosure Concerns

Anthropic argued that its help pages clarify these limits, but the judge remained unconvinced. The necessary disclosures were located two hyperlinks away from the primary sales page. The court compared this to fine print on a product label, noting that customers were not required to visit those pages during sign-up.

4Consumer Protection Act Application

The ruling centered on California’s Consumers Legal Remedies Act, which protects individuals from deceptive business practices. Judge Alex Tse determined that Claude Code, a tool included in paid subscriptions, qualifies as a service under this law. This allows the case to move forward regarding personal, family, or household use of software.

5Plaintiff Eligibility and Usage

The court distinguished between different types of users. Solomon Smith, a computer science student, had his claim survive because his usage for coursework and hackathons is non-commercial. Conversely, Karl Kahn’s claim was dismissed for now, as he failed to specify if his programming tasks were for personal use or commercial software development.

6Contractual Misrepresentation Claims

While several claims were dismissed, the plaintiffs may continue to pursue allegations of negligent misrepresentation and breach of subscription agreements. The judge noted that Anthropic’s own terms direct customers to the order process for subscription details, effectively incorporating the disputed sales pages into the legal contract between the parties involved.

7Fair Dealing and Bait-and-Switch

The court rejected the argument that Anthropic engaged in a bait-and-switch tactic by changing capacity limits during billing periods. Judge Tse ruled that the company’s terms explicitly allow for such adjustments. Furthermore, Max subscribers still receive more weekly usage than Pro users and retain access to the Claude Code tool.

8Future Implications for AI

This case highlights the growing tension between aggressive AI marketing and actual technical constraints. As companies scale subscription models, clear communication regarding usage caps becomes essential to avoid litigation. The outcome may force AI providers to adopt more transparent disclosure practices regarding how their models function under heavy user demand.

Original article: Courthouse News — Anthropic Faces Lawsuit Over Misleading Claude Max Usage Claims