Introducing BehaviorGPT-v4: One Large Behavioral Model That Transfers Zero-Shot Across Retail, Engagement, and Payments

Unbox AI has introduced BehaviorGPT-v4, a large behavioral model pretrained on 150 billion actions across retail, app engagement, and payments. The 12.5-billion-parameter model uses an item-feature embedder to achieve zero-shot transfer across unseen catalogs and tasks without requiring fine-tuning per task. According to the technical report, the model outranks established baselines and specialized models on zero-shot evaluation pairs and maintains millisecond-level inference costs. Open article →