Recently, Anthropic announced adjustments to the access permissions of its most powerful model, Claude Fable5. Starting from July 7th, the model will be officially removed from existing subscription plans and transitioned to a new pay-per-use credit-based billing model.

This change has caused significant reactions among users. According to reports, before July 7th, Pro, Max, Team, and some enterprise plan subscribers could still include the Fable5 model within their weekly AI usage limits (up to 50% maximum). However, with the deadline approaching next week, subscribers who wish to continue using the model will have to consume additional usage credits, meaning that the fixed subscription fees previously paid will no longer include the "unlimited access" to this flagship model.

Anthropic explained that this decision was primarily due to the high and unpredictable demand for the Fable5 model, which has placed severe challenges on the company's current computing power capacity. By adjusting the billing model, the company aims to more accurately allocate limited computing resources to users with high-level needs, ensuring service stability and fairness.

In response to questions from developers and the community, core engineer Thariq Shihipar from Anthropic provided a reassuring statement on social media. He stated that the current strategy is to address short-term capacity bottlenecks, and the company will continue to optimize resource allocation. The goal is to reintegrate the Fable5 model into the regular subscription system as soon as capacity allows.

As a focal point of industry attention, this "downgrade" of Fable5 reflects the increasingly tense competition between commercialization strategies and computing power supply among large model providers. For users heavily reliant on this model for development or content creation, this change undoubtedly increases usage costs and barriers. In the future, as major providers expand their computing power reserves and improve technology, the dynamic balance between "flagship models" and "subscription benefits" is likely to continue evolving.