Paste any piece of writing and see exactly how much of it looks AI generated, with the flagged sentences highlighted right inside your text.
Your text is used only to run the scan and isn't stored on our server.
Flagged sentences highlighted inside your text
A scan usually finishes in seconds
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Your text is not kept on the server
Somewhere in the last couple of years, checking whether a piece of writing came from a person or a chatbot turned into an actual daily task for a lot of people. Teachers deal with it every time a stack of essays comes in. Editors deal with it when a freelancer's draft reads a little too smooth. Pangram AI Detector is a free tool built for exactly that moment, paste in a piece of text and it tells you how much of it looks AI generated, with the specific sentences that triggered the score highlighted right there in your content.
The tool itself is simple on the surface. You paste in text, run the check, and within a few seconds you get a percentage back telling you how likely it is that the content was written by AI. No account needed, no credit card, nothing to install.
Here's something that bugged the people who built this tool before they built it: most AI detectors just hand you a number and walk away. Seventy three percent, good luck figuring out what that means. Pangram does something different. When it flags a piece of text, it highlights the specific sentences that triggered the AI signal, right there in your original content. So instead of staring at a percentage and wondering what to do with it, you can see exactly which parts read as machine generated and which parts don't.
That distinction turns out to matter a lot in practice. A student might write most of an essay themselves and lean on AI for one shaky paragraph they weren't sure how to phrase. A single overall score would just call the whole thing suspicious. Sentence level highlighting tells you it's really just that one section worth a second look, not the entire piece.
Once you paste your text in and hit the button, the tool scans it for patterns that tend to show up in AI generated writing, things like sentence rhythm, word choice, and structure that a person usually doesn't repeat the same way twice. A few seconds later you get a score, plus a colour coded gauge running from green through yellow to red so you can tell at a glance whether a piece leans human, sits somewhere in the middle, or looks mostly AI written.
It's worth saying plainly that nothing here is magic. The tool isn't reading minds, it's comparing patterns against what it's seen before. That's exactly why the sentence level view matters more than the number itself.
| Feature | Manual Review | Pangram AI Detector |
|---|---|---|
| Sentence Level Detail | Comes down to a gut feeling | Flagged and highlighted for you |
| Speed | Reading the whole thing twice | A few seconds per scan |
| Consistency | Depends who's reading it | Same criteria every time |
| Cost | Your time, basically | Free |
| Sign Up Required | Not applicable | No |
There's nothing to configure and nothing to learn ahead of time.
People run essays, blog posts, product descriptions, cover letters, pretty much anything through it. If a sentence gets flagged and you know you wrote it yourself, that's fine, just rewrite it a little in your own words and run it again if you want a second read.
A few things stand out once you've used it a couple of times:
Honestly, more people than you'd expect end up needing something like this at some point:
No detector gets it right every single time, and anyone telling you otherwise is probably selling something. Very short pieces of text don't give the model enough to work with. Content that's been heavily rewritten or paraphrased after being drafted by AI can land somewhere in the middle, not clearly one thing or the other. Pangram doesn't pretend this problem is solved. The score it gives you is meant to be a strong signal, something that points you in the right direction, not a verdict you hand down without thinking.
That honesty is actually part of what makes the tool useful rather than just another black box spitting out numbers nobody trusts. Knowing where the limits are means you know when to trust the result and when to look a little closer yourself.
There's no shortage of AI checkers online these days, but a lot of them either lock the good features behind a paywall after a couple of free tries, force you to create an account before you can do anything, or just hand you a number and call it a day. Pangram AI Detector skips all of that. Paste your text in, run the scan, and get an answer you can actually act on, in roughly the time it took to read this sentence.
It's a strong signal, not a guarantee. Text that's been heavily edited or paraphrased can sit in a grey area no matter which detector you use. Treat the score as something to guide your judgment, not a verdict to accept without thinking it through.
Yes, aim for somewhere between 20 and 1000 words per scan. Anything shorter than that doesn't give the model much to work with, and the result gets less reliable.
No. It's used to run the scan and that's it, nothing gets saved on the server once your result shows up on screen.
Yes. No account, no payment, no limit on how many times you can run it in a day.
It stops bots from hammering the scan endpoint with automated requests, which keeps the tool fast and available for people actually using it.