Claude power users sue Anthropic over '5x' and '20x' fine print

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Claude power users sue Anthropic over '5x' and '20x' fine print

Anthropic is facing a refiled class action over Claude Max pricing — and the plaintiffs' side is staffed like an FTC case, which is exactly what makes it dangerous.


A refiled class action accuses Anthropic of overselling Claude's Max plan with "usage multipliers" that don't mean what buyers think they mean. The Max plan costs $100 a month for "5x" the usage of the $20 Pro plan, or $200 for "20x" — but the multipliers apply only within five-hour sessions that are themselves capped by a weekly ceiling, so the effective total gain is far smaller than the number on the graphic. The complaint, first filed in July and refiled as an expanded class action by Vaca Daffan LLP, argues the disclosure chain is effectively invisible: you have to click one hyperlink to learn a "session" is the unit, then a second to find out what a session is. Anthropic's motion to dismiss the earlier version called that "the digital equivalent of flipping a product over to read the back label"; the firm's founders, who between them spent 38 years at the FTC, respond that there is no way for a consumer to audit what they'll actually get before paying. Anthropic did not respond to a request for comment.

The timing is not random. Anthropic announced Max in April 2025 and quietly added the weekly caps a few months later as it raced OpenAI on model launches — and the same cost pressure shows up in the company's own copy, with the Fable 5.1 release notes citing "the feedback we've received from customers on price." Meanwhile Anthropic's revenue depends disproportionately on exactly these power users; the company has said as much when justifying decisions like cutting off third-party apps. Getting sued by your best customers is a bad look for a company reportedly heading toward a public listing, where subscriber-trust disclosures stop being marketing talk and start being legal exposure.

Our take: pricing opacity is becoming the consumer-protection front of the AI wars. Utility-style billing (pay per token, see the meter) is honest but unpredictable; subscription multipliers are predictable but only if you read a contract. The Max plan sits in the worst spot — it borrows the psychology of "5x more" while quietly metering like a utility. If a jury ever hears "you got 20x for five hours at a time," the multiplier marketing dies that day. We expect labs to migrate toward explicit credits-and-meters pricing regardless of how this case ends.

What to watch: whether the court lets the expanded class proceed past the motion to dismiss — and whether any rival lab rewrites its tier marketing before being sued too.

Do you think "5x usage" is fraud when the multiplier only counts five hours at a time? Tell us in the comments.

Sources: The Decoder · The Verge · Vaca Daffan LLP — Kahn v. Anthropic, PBC