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GPT-4o崩了：5道题全军覆没暴露OpenAI基础设施问题

GPT-4o在最新评测中遭遇灾难性崩盘：长上下文得分暴跌21.9分，5道关键题目因API限流全部返回错误，可用性从100%跌至65%。这不是模型能力问题，而是OpenAI基础设施已经撑不住了。