China Weibo Launches VibeThinker 1.5B: $7,800 AI Model Beats DeepSeek R1 in Math Reasoning
Weibo releases open-source VibeThinker 1.5B on November 11, 2025, trained for just $7,800 with MIT license. Outperforms DeepSeek R1 on AIME24 math benchmark using Spectrum-to-Signal training. Key Highlights What Makes … Read more