Reference·6 min read

The Ultimate "ChatGPT Tells" List: 50+ Phrases That Instantly Reveal AI Usage

In poker, a "tell" is an unconscious behavior that reveals a player's hand. ChatGPT has tells too—phrases that scream "AI wrote this."

Bookmark this list. Share it. Use it to clean your AI output before anyone else spots these red flags.

🚨 Opening Phrases

The 'Eager Assistant' Category

These phrases appear at the start of ChatGPT responses and are the most obvious tells:

PhraseWhy It's a Tell
"Sure! Here's..."No human starts emails this way
"Certainly! I'd be happy to..."Overly eager, robotic politeness
"Of course! Let me..."Sounds like a customer service bot
"Absolutely! Here's what you need..."Excessive enthusiasm
"Great question!"Feels patronizing in professional contexts
"I'd be glad to help with that!"No one talks like this
"Here's a comprehensive overview..."Announces structure unnaturally
"Let me break this down for you..."Condescending undertone

🛑 Closing Phrases

The 'Helpful Bot' Category

These appear at the end and are equally recognizable:

PhraseWhy It's a Tell
"I hope this helps!"The #1 ChatGPT signature phrase
"Let me know if you need anything else!"Generic filler
"Feel free to reach out if you have questions!"Nobody writes this in real emails
"I'm happy to clarify or expand on any point!"Robotic service language
"Don't hesitate to ask if you need more information!"Overly formal, unnecessary
"Is there anything else I can help you with?"Copy-pasted from support scripts
"I hope this answers your question!"Obvious AI closer
"Let me know if you'd like me to elaborate!"No human says "elaborate" this much

🔄 Hedging Phrases

The 'Covering My Bases' Category

ChatGPT loves to hedge its statements. Humans don't talk this way:

PhraseWhy It's a Tell
"It's important to note that..."Verbal filler, adds nothing
"It's worth mentioning that..."Same energy
"It should be noted that..."Passive, bureaucratic
"As you may know..."Condescending assumption
"It's worth considering that..."Unnecessary preamble
"Generally speaking..."Hedging before making a point
"In many cases..."Vague qualification
"It's commonly understood that..."Appeals to unnamed authority
"Depending on the context..."Over-qualifying simple statements

📚 Transition Phrases

The 'Essay Structure' Category

These make text sound like a high school essay:

"Furthermore..."
"Additionally..."
"Moreover..."
"In conclusion..."
"To summarize..."
"That being said..."
"With that in mind..."
"On the other hand..."

🔤 Typography Tells

Non-Verbal Giveaways

These aren't phrases, but they're equally telling:

  • Em-dashes (—) — ChatGPT loves these—uses them constantly
  • Curly quotes ("") — Different from straight quotes ("")
  • Ellipsis character (…) — Single character vs. three dots (...)
  • Perfect paragraph uniformity — Each paragraph same length
  • Numbered lists for everything — Over-structured responses
  • Headers everywhere — ## Unnecessary ## Section ## Breaks

🎯 The Worst Offenders

Instant Recognition

If you see these, it's 99% AI-generated:

  1. "Sure! Here's [exactly what you asked for]" — The classic opener
  2. "I hope this helps!" — The classic closer
  3. "Feel free to [do something obvious]" — Unnecessary permission
  4. "Let me know if you need anything else!" — Generic sign-off
  5. "It's important to note that..." — Hedging before content
  6. "Here's a comprehensive overview:" — Announcing structure

✅ The Solution

You don't have to memorize this list. Tools like DeGPT automatically detect and remove these patterns:

  • Strips opening and closing boilerplate
  • Removes hedging phrases
  • Normalizes typography (em-dashes → dashes, curly quotes → straight)
  • Preserves your actual content

The goal: Use AI for the thinking, but make the output sound human.

Try DeGPT free →