Anthropic Seeks Payment for Claude Fable 5

Developers of AI models have traditionally provided consumers with a straightforward option: utilize our technology for free via an online chatbot, or subscribe monthly for more access, exclusive features, and enhanced models. Anthropic is set to complicate that arrangement significantly.

Beginning July 12 at 11:59PM PT, users subscribed to Anthropic’s plans costing $20, $100, and $200 monthly will be required to pay extra usage-based fees to access Claude Fable 5, the consumer iteration of the company’s robust Mythos 5 AI model. This marks the first instance of a leading AI lab imposing usage-based charges on a consumer AI model.

The fees will mirror those applied to developers utilizing the company’s API: $10 per million tokens sent to Claude, and $50 for every million tokens the model generates in response to queries. Thus, a subscriber to the $20 monthly plan who sends one million tokens to Fable 5 and the model then uses a million tokens for answers would incur an extra $60—totaling $80 for that month. For context, $80 could cover nearly five months of Amazon Prime.

A million tokens represents a substantial amount—it’s approximately equivalent to 750,000 words, surpassing the entire Lord of The Rings trilogy. However, it’s not unusual for heavy AI users to accumulate thousands of dollars in API bills monthly, as newer models like Fable 5 may use many more tokens in a more intricate thought process to craft responses.

While the “pay as you go” model has been the standard for developers accessing APIs, AI labs have favorably leaned towards flat monthly fees for consumer revenue generation and to manage demand.

Nevertheless, the AI sector has been shifting towards usage-based billing for quite some time. Last year, AI coding startups such as Cursor revamped their all-you-can-eat AI subscriptions, opting for usage-based pricing instead. Moreover, Anthropic recently shifted to charge business customers based on their actual AI utilization rather than a fixed fee. (These changes could be part of the company’s strategy to prepare for a forthcoming initial public offering.)

Some AI leaders argue that subscription models are becoming obsolete in the age of powerful AI agents like Claude Code and Codex, which require far more computational resources than conventional chatbots.

“It’s conceivable that in this era, an unlimited [AI] plan resembles an unlimited electricity plan,” stated Nick Turley, OpenAI’s former head of ChatGPT, now managing the company’s enterprise products, in a podcast interview earlier this year. “It simply doesn’t add up.”

Anthropic hasn’t completely ruled out comprehensive subscription options. In comments to WIRED, Anthropic spokesperson Reem Ateyeh indicated that the company hopes to reintegrate Fable 5 into Claude’s subscription plans “when adequate capacity allows,” and plans to expedite this “as quickly as possible”—likely referencing its existing computational limitations. In recent years, Anthropic has secured multibillion-dollar agreements for data center capacity with SpaceX, Amazon, and Google, though it still seeks additional resources.

However, it remains uncertain when—or if—Anthropic will overcome data center capacity issues and include Fable 5 in its subscription offerings.

Will Consumers Be Willing to Pay for Claude?

The adjustment in pricing comes after a prolonged promotional period for Fable 5, during which Anthropic provided the AI model to subscribers at no additional charge. In a blog post dated June 7, the company expressed expectations for “very high, unpredictable demand” for the AI model. Interest in Fable 5 has surged further since the US government initially banned it for foreign users, then approved its general release on July 1.

Regardless of how Anthropic presents it, the implementation of usage-based pricing for Claude Fable 5 tests consumer interest in the company’s AI solutions. While Anthropic has mostly concentrated on the enterprise sector recently, it is increasingly penetrating the consumer market, traditionally dominated by OpenAI’s ChatGPT and Google’s Gemini.