Analysis tool
AI Detector: check if a document or text was generated by AI
Paste any passage and get an estimated AI probability with a written analysis. Built for educators, editors and quality teams.
Your text
0 words
AI probability
Likely human Likely AI
Your score and written analysis appear here.
3 steps
How AI Detector works
1
Paste the text
Essays, applications, articles or internal docs.
2
Run detection
See an estimated AI probability and supporting analysis.
3
Decide next steps
Use the signal alongside your own judgment and process.
Capabilities
What you can do
Clear score
Estimated AI probability at a glance.
Written analysis
Understand why the model flagged the text.
For classrooms
Support academic integrity workflows.
For teams
Review submissions, UGC or vendor copy.
Private runs
Text stays in your Chatday workspace.
Pair with Humanizer
Need natural rewrites? Jump to AI Humanizer in one workspace.
At a glance
Specs & limits
Probability + Analysis
Output
Paste · file dropzone
Input
Paragraphs & longer text
Best for
Dedicated detector tool
Workflow
Yes, try a sample
Included on Free
FAQ
AI Detector questions
Yes, sign up free with no credit card and start using this tool right away. Upgrade to Pro when you want premium models, advanced tools and more room to work.
It is a strong signal on typical AI prose. Heavily edited or unusual text can still fool any detector. Use it as one input, not the only verdict.
Runs stay in your private account; delete conversations when you are done.
Check your first sample free.
Open AI Detector in Chatday and paste your text.