DeepSeek: DeepSeek V4 Flash 0731 hay OpenAI: GPT-5.5 re hon?
DeepSeek: DeepSeek V4 Flash 0731 re hon OpenAI: GPT-5.5 ($0.45 / 1M tokens input / $1.33 / 1M tokens output so voi $5 / 1M tokens input / $30 / 1M tokens output). Chi phi thuc te phu thuoc vao ty le token input va output cua ban, vi vay hay uoc tinh bang may tinh gia dua tren traffic that.