@nanbeige
In both LeetCode's Weekly Contests (Weekly Contests 489–491) and the HMMT February 2026 (Harvard-MIT Mathematics Tournament), Nanbeige4.1-3B's performance not only significantly outperformed that of Qwen3.5-4B but also surpassed Qwen3.5-9B. https://t.co/2guwzB3yNa