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GPT-5.1 来了（Gemini 3也不知道啥时候），这不是一次大的升级，主要提升不是在智能，而是更会聊天了。 主要更新了两个模型：Instant（日常快模型）和 Thinking（深度思考模型）。 Instant 模型变得更暖更有人味儿了，比如说以前的 GPT-5，你跟它说“我压力好大”，它会像个健康手册一样，给你列出 1-2-3 条呼吸法和放松技巧。 而 GPT-5.1 Instant 会说：“嘿，哥们，我懂你。这太正常了。要不试试听点 lo-fi 音乐？或者 Gorillaz 的伴奏？” 感觉在往 GPT-4o 上回调。 GPT-5.1 Thinking 模型学会了“该快则快，该慢则慢”。遇到简单问题，它回答得比以前快。但遇到真正复杂的难题，它会花比以前更久的时间去“深度思考”，确保答案更周全。 这次更新的另一大重点，是“调教”AI 变得更简单直接了。 现在自定义指令(Custom Instructions) 提供了更丰富的预设人格，比如“专业”、“坦率”、“古怪”，你可以随时切换。 你可以用滑块来微调。比如“你希望我多热情？”、“要多简洁？”、“用不用表情符号？”。这比写大段的指令直观多了。 这些设置可以即时生效。以前，你必须开一个新聊天，设置好的指令才能生效。 现在，你可以在同一个聊天里，中途改变它的人设。
Prompt Engineer, dedicated to learning and disseminating knowledge about AI, software engineering, and engineering management.
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