OpenAI: GPT-4.1 hay OpenAI: GPT-5 Nano re hon?
OpenAI: GPT-5 Nano re hon OpenAI: GPT-4.1 ($0.0072 / 1M tokens input / $0.058 / 1M tokens output so voi $0.289 / 1M tokens input / $1.16 / 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.