TL;DR for operators A synthetic training video can look coherent at its beginning and end while losing the target identity somewhere in the middle. The paper proposes changing the synthetic-data factory so that every generated frame is checked against a real target-identity reference, the weakest eligible frame receives an additional identity anchor, and only then is the affected span regenerated. ...
Most companies do not actually want an AI system that “thinks longer.” They want one that knows when extra thinking is worth the bill. That distinction is becoming more important. Reasoning models are moving from demo-stage math puzzles into document review, financial research, compliance analysis, customer support escalation, and agentic workflows. In these settings, reasoning has three costs: latency, compute, and misplaced confidence. A model that spends 30 seconds producing an elegant wrong answer has not reasoned. It has performed expensive theatre. Very fluent theatre, admittedly. ...