Quantization

What the parameter count in a model's name means

The B in a name like gpt-oss-20b counts parameters, in billions. Multiply that count by the bytes each parameter takes and you get a floor for the memory the weights need. That is also why some models now ship with two numbers instead of one.

AI Systems

7B、70B 是什麼意思？看懂模型名字裡的參數量

模型的 7B、70B、235B 講的是參數量，B 就是十億。這篇說明參數量代表什麼、怎麼換算，以及 Qwen3-235B-A22B 這種寫法裡的兩個數字又各自代表什麼。