This AI or human quiz shows you B2B cold emails and asks which style each one is written in: a person's plain note or an unedited AI draft. One thing first: all ten emails were drafted for the quiz with the help of an AI model, the human-style ones included, then edited so each shows one style clearly. None is a real email, and every name, company and address is invented.
So your score measures how well you read the patterns, not how often a real inbox would fool you.
How to read each answer
After each guess, the answer names the style and the patterns that give it away. Read it on the ones you got right too. A right guess for the wrong reason is the one that fools you later, in your own inbox.
Side by side, one difference does most of the work. The AI-style emails are about the sender: a first line that wishes you well, praise that fits any company, benefits in threes with no fact behind them. The plain ones are about something the reader did, posted or has.
Several of these tells also appear in Wikipedia's guide to signs of AI writing, which warns against judging text on perfect grammar or a formal tone alone. A tell is a reason to read twice, not proof.
What to do next
Your own draft is harder to judge, because you know what you meant. Before you send:
Delete the first line if it would fit any email you have ever sent.
Name one thing about this reader that you found, not one you assumed.
End on a question that is easy to answer no to.
To check a draft line by line, paste it into the AI-tell checker.
In Oneprofile, the agent writes each email in a sequence from research on the person and their company, in your company's own words, so the detail only this reader has is there to use. When one still reads like a draft, say what is wrong and it writes it again.