OpenAI: GPT-5.4 hay SpaceXAI: Grok 4.20 Multi-Agent re hon?
SpaceXAI: Grok 4.20 Multi-Agent re hon OpenAI: GPT-5.4 ($0.236 / 1M tokens input / $0.47 / 1M tokens output so voi $0.47 / 1M tokens input / $2.82 / 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.