OpenAI计划逐步淘汰GPT-4.5
OpenAI宣布将于7月14日起停止通过API提供GPT-4.5服务，开发者需转向新推出的GPT-4.1。GPT-4.1在关键性能上接近或优于GPT-4.5，但成本更低。
GPT-4.5仍可通过ChatGPT的研究预览版使用，但API服务将终止。该模型训练成本高昂，输入/输出费用分别为每百万token 75美元和150美元，是OpenAI最昂贵的服务之一。
TechCrunch
相关消息：OpenAI揭秘GPT-4.5训练：10万块GPU，几乎全员上阵，有出现过“灾难性问题”
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