The short version
- A new class action lawsuit claims Anthropic deceived customers regarding the actual usage limits of its expensive Max subscription tiers.
- Plaintiffs argue that advertised multipliers for data access are misleading because they apply only to short, restricted time windows rather than total weekly volume.
- The case highlights growing consumer frustration with AI pricing structures and raises questions about transparency in digital service marketing.
A legal challenge has emerged against Anthropic, accusing the artificial intelligence developer of deceptive advertising practices related to its premium subscription services. The expanded class action lawsuit, filed recently, centers on the company’s Max plan for its Claude product, which is positioned as a significant upgrade to the standard Pro tier. Plaintiffs allege that the marketing materials for this service created false expectations about the volume of usage subscribers would receive, potentially violating consumer protection standards regarding commercial speech and truth in advertising.
The core dispute involves how Anthropic presents the value proposition of its higher-priced tiers. The Max plan offers two options: a $100 monthly fee for five times the usage limits of the Pro plan, or a $200 monthly fee for twenty times those limits. According to the complaint, these multipliers are prominently featured in marketing graphics but are subject to restrictive conditions that significantly reduce their practical value. The lawsuit contends that these benefits apply only within specific five-hour chunks of time, which are themselves capped by a weekly limit, resulting in a much smaller total increase in usable capacity than the advertised figures suggest.
Attorneys Monica Vaca and Kati Daffan, who previously worked at the Federal Trade Commission under Lina Khan, brought the suit. They argue that understanding the true scope of these limitations requires navigating a complex web of hyperlinks and definitions that are not immediately apparent to consumers. To grasp what constitutes a 'session' or how the weekly limits interact with the hourly windows, users must click through multiple links and cross-reference information from different pages of the website. The plaintiffs describe this as an unreasonable burden placed on customers who are expected to audit the terms of service before purchasing.
The complaint suggests that this structure leads to significant consumer frustration. Many users reportedly upgrade their subscriptions impulsively when they encounter usage limits during active projects, believing they are purchasing a straightforward increase in capacity. Instead, they find themselves constrained by rolling time windows that do not align with their workflow needs. One user compared the situation to being given a larger gas tank while the fuel pump remains limited to one gallon every five hours, illustrating the disconnect between the advertised benefit and the actual experience.
Anthropic has defended its practices in previous legal filings, arguing that the relevant information was technically accessible to consumers. In a motion to dismiss an earlier version of the case, the company stated that accessing clarifying details required nothing more than clicking hyperlinks available during the purchase process. The firm likened this to flipping a physical product over to read the label on the back, suggesting that the information was present and discoverable if users took the time to look for it. However, the plaintiffs reject this characterization, arguing that it relies on a 'buyer beware' approach that is unfair in a digital marketplace where consumers cannot easily audit the underlying mechanics of the service.
The timing of these restrictions adds another layer to the controversy. Anthropic announced the Max plan in April 2025 but did not impose the allegedly deceptive weekly limits until August of that year. This delay coincided with increased pressure on AI companies to turn a profit and compete with rivals like OpenAI. The lawsuit frames this as part of a broader industry trend where top labs are passing steep operating costs onto customers, often through opaque pricing models that obscure the true value of premium subscriptions.
Vaca emphasized that the case is compelling not just because of the financial stakes but also due to the professional anxieties driving demand for these services. Many users feel compelled to pay high subscription fees to remain relevant in a rapidly evolving job market, only to discover they are not receiving the utility they paid for. With combined experience at the FTC, Vaca and Daffan argue that there is a long legal precedent against false advertising, regardless of where the disclaimers are hidden. They contend that marketers cannot lie or mislead consumers, even if the truth is technically available somewhere on a website.
The outcome of this lawsuit could have significant implications for how AI companies market their services. If the court finds that burying critical limitations in fine print constitutes deceptive advertising, it may force greater transparency in pricing and usage terms across the industry. For now, Anthropic has not responded to recent requests for comment regarding the expanded class action. The case underscores a growing tension between the high costs of developing advanced AI models and the expectations of users who are paying premium prices for access.
Sources behind this briefing
Go to the original reporting
- The Verge↗A new class action lawsuit questions whether Anthropic broke the law by misleading power users
