Locket: Robust Feature-Locking Technique for Language Models

ArXi:2510.12117v2 Announce Type: replace-cross Chatbot service providers (e.g., OpenAI) rely on tiered subscription plans to generate revenue, offering black-box access to basic models for free users and advanced models to paying rs. However, this approach is unprofitable and inflexible for the users. A pay-to-unlock scheme for premium features (e.g., math, coding) offers a sustainable alternative.