1 🤖 AI·大模型 OpenAI 官方博客 2026-05-19 💬 New AI classifier for indicating AI-written text OpenAI官方推出AI文本检测器，精准区分人类与机器写作，为内容真实性护航 We’re launching a classifier trained to distinguish between AI-written and human-written text. ai检测 文本分类 openai ai写作 内容鉴别