Definition
Spin up many API accounts, query Claude or GPT at scale and train a student model on the (prompt, response) pairs. The student inherits much of the teacher’s capability for a fraction of the pre-training cost.
Anthropic attributed 16M+ exchanges across 24K fraudulent accounts to DeepSeek, Moonshot and MiniMax (Nov 2025). Detection: behavioral fingerprinting, rare-pair triggers, output style, account-graph clustering. Together with the 3 to 6 month lag of the open frontier, it means closed weights are only a weak capability barrier.