VibeThinker-1.5B: Compact AI Model Achieves High Performance At Scale

Exploring VibeThinker-1.5B: A Compact AI Model That Thinks Like the Big Ones Have you ever wondered if a small AI model could tackle tough math problems or write code as well as those massive ones that take up server farms? It sounds counterintuitive—after all, the tech world often pushes for bigger models with billions or trillions of parameters to get better results. But what if the key isn’t just size, but smarter training? That’s where VibeThinker-1.5B comes in. This 1.5 billion-parameter model, developed by a team at Sina Weibo, flips the script. It uses a fresh approach to post-training that …