AIThe Model That Aced Olympiad Math Can't Write a Tweet
The 4 GB series found a 3B that reasons like a giant. So surely it can write? It can't — and how it fails is the interesting part. VibeThinker-3B chokes on a 120-word story while two plain instruct models a fraction as clever nail it, and a language twist decides which one you want.
Jul 9, 2026