When Prompts Hire Specialists: Why pMoE Changes Visual Adaptation Economics
Opening — Why This Matters Now Foundation vision models are becoming corporate infrastructure. They sit behind defect detection systems, medical imaging workflows, retail analytics dashboards, and increasingly, compliance pipelines. But here is the quiet operational truth: most enterprises do not retrain these models. They adapt them. Full fine-tuning is expensive, risky, and often unnecessary. Prompt tuning—adding learnable tokens while freezing the backbone—has emerged as the pragmatic alternative. Yet most approaches rely on a single pre-trained model. A single “expert.” ...