一、Content at scale
网站：https://contentatscale.ai/ai-content-detector/
可以免费使用，无需要注册。收费版需要$49每月。
测试结果，不准确，我用了3篇AI生成的文章作测试，结果两篇说是人写的，一篇说“Hard to Tell!”。
contentatscale的使用界面如下：
二、smodin.io
网站：https://smodin.io/ai-content-detector
无需要注册，可以免费使用。
可以检测文章的最大字数：5000
第一篇文章：超过字数，无法检测。删除后半部分后结果为：Content is likely Human written，48.5% Likelihood of Complete AI content
第2篇：Content is likely Human written, 36.9% Likelihood of Complete AI content
第3篇：Content is likely Human written， 43.7% Likelihood of Complete AI content
三、zerogpt.com/
网站：https://www.zerogpt.com/
无需要注册，可以免费使用。
可以检测文章的最大字数：15000
第1篇：Your Text is AI/GPT Generated 76.46% AI GPT
第2篇 Your Text is Most Likely Human written 23.72% AI GPT*
第3篇 Your Text is Likely Human written, may include parts generated by AI/GPT 42.08% AI GPT*
四、copyleaks
网站：https://copyleaks.com/ai-content-detector
无需要注册，可以免费使用。但是每天检测文章的数量有限制。
可以将检测到的AI内容标记为红色。
第1篇：检测到大部分是AI
第2篇：显示全部为AI。
第3篇：显示全部为AI。
然后用2篇自己网站上的文章作测试，
第1篇：显示为human.
第2篇：超出当天使用次数，无法检测。You Have Reached Your Daily Limit。第二天检测，显示为human.
五、originality
网站：https://originality.ai/（dgK14)
网站需要注册，而且没有免费使用的入口，所以我没有测试。
价格如下：
六、
（一）https://undetectable.ai/
（二）https://writehuman.ai/（这个write human之后可以通过AI检测。
Remember, being called "weird" is not an insult but an opportunity to celebrate your unique qualities. Embrace your individuality and respond with confidence and humor. By doing so, you'll not only demonstrate self-assurance, but you'll also attract those who appreciate and value your distinctiveness. So, the next time someone calls you "weird," use these witty responses to keep your cool and show them just how extraordinary you truly are.
write human之后：
Being called weird isn’t an insult, it’s a chance for you to celebrate what makes you unique. Embrace that individuality and respond with confidence and humor. Not only will you show people that you’re not ashamed of who you are, but eventually the right people will come your way. These are some witty responses to people calling you weird. Use them to keep your cool and show them how extraordinary you truly are
参考：https://www.youtube.com/watch?v=Ryr15qNIdrw&t=148s