Claude user sues Anthropic, alleges misleading Max subscription plan usage limits

Anthropic is facing a lawsuit from a Claude subscriber who claims the company's premium Max plans offer far less usage than advertised. The case puts fresh attention on how AI companies communicate limits while managing the high costs of running advanced AI tools.

In Short

• User alleges Claude Max 5x and Max 20x plans provide lower usage than advertised
• Lawsuit seeks class-action status on behalf of other US subscribers
• Growing AI costs are pushing both consumers and companies to impose usage limits

Anthropic is facing a lawsuit from a Claude subscriber who alleges that the company misled customers about the amount of usage available under its premium Max subscription plans. The complaint raises questions about how AI companies market access to their most advanced tools and whether customers fully understand the limits attached to expensive AI subscriptions.

According to a report from The Wall Street Journal, Washington DC resident Karl Kahn filed a federal lawsuit on Monday, accusing Anthropic of overselling the capabilities of its Max 5x and Max 20x plans. The lawsuit claims that the actual usage limits are difficult to determine and may be considerably lower than what customers expect based on the company's marketing.

Anthropic currently offers multiple paid tiers for individual users. Its Claude Pro plan starts at $17 per month and promises at least five times the usage of the free version during peak periods. The company notes that usage can vary depending on factors such as prompt length, attached files, conversation history and the model being used.

In April 2025, Anthropic introduced the Max 5x and Max 20x plans, priced at $100 and $200 per month, respectively. These subscriptions are marketed as offering substantially higher usage limits than the Pro tier. However, Kahn's lawsuit argues that customers are not receiving the level of access they believe they are paying for.

“The actual usage provided by the Max 5x and Max 20x plans is far below the advertised amount of usage,” the lawsuit alleges.

According to the complaint, Kahn upgraded to the Max 20x plan after beginning to use Claude Code, Anthropic's AI-powered coding assistant. He claims that he quickly encountered usage restrictions despite paying for the company's most expensive consumer subscription. The lawsuit says a single five-hour coding session consumed about 15 percent of his weekly allowance. The case seeks class-action status, which could allow other US consumers who purchased Max subscriptions to join the lawsuit. Anthropic declined to comment on the allegations.

AI companies face growing pressure over Claude usage limits

The dispute comes as AI providers continue to balance customer expectations with the high cost of running large language models.

Unlike traditional software subscriptions, AI services incur computing expenses every time a user submits a request. More complex prompts, longer conversations and coding-related tasks generally require more processing power, increasing costs for providers.

Because of this, many AI companies rely on usage caps, token limits and rate restrictions. However, these limits are often difficult for average users to understand, particularly when subscription plans are marketed using multipliers such as "5x" or "20x" usage.

Claude users have frequently discussed rate limits online. Some have reported reaching usage caps sooner than expected while using Claude Code for software development projects. Last year, Anthropic introduced weekly rate limits for Claude Code after some users reportedly ran the coding assistant continuously for extended periods.

The financial burden of AI usage is also becoming a concern for large organisations. Bloomberg recently reported that Uber imposed spending limits on AI coding tools used by employees after exceeding its AI budget earlier this year. The company reportedly capped spending at $1,500 per employee per month for each coding tool.

Meanwhile, a report from The Verge suggests Microsoft is reducing its internal use of Claude Code and encouraging many employees to transition to GitHub Copilot CLI. While the company has pointed to product strategy as a key reason, reports indicate cost considerations may have also influenced the move.

The issue extends beyond major technology companies. Axios recently reported that an unnamed corporation accidentally generated an AI bill of around $500 million in a single month after deploying Anthropic's Claude without adequate usage controls.

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