I expected Qwen2.5 7B to retain a noticeable advantage over the smaller Qwen3 4B model for writing correction. In this experiment, it didn't. Across the same 20 paired writing cases, Qwen2.5 7B and Qwen3 4B produced exactly the same complete-case o...

I expected the larger Qwen3 model to show a clear advantage for writing correction. In this experiment, it didn't. Across 20 paired writing cases, Qwen3 8B and 14B both achieved 19/20 complete-case corrections, while Qwen3 4B reached 18/20. The dif...