VibeThinker-3B: Exploring the Frontier of Verifiable Reasoning in Small Language Models (opens in new tab)

What we have here is a massive reality check for the current obsession with blindly scaling up parameters to get better performance proving that you can squeeze frontier level logical reasoning into a tiny 3b parameter model. It managed to hit a score of 94.3 on the extremely difficult AIME26 math benchmark and got an 80.2 on LiveCodeBench v6 putting their incredibly small model in the exact same weight class as massive flagship models like Gemini 3 Pro. They pulled it off using optimized pos...