Detect AI Writing
Check AI-generated content in a browser workflow
Use Grammarly AI Detection to detect AI writing before content moves into publishing, grading, moderation, or editorial review. Paste text, inspect the result, and route high-risk content to a human reviewer.
Start with $1 credit.
Detect AI writing snapshot
Make AI detection actionable
The goal is not to accuse a writer from one score. The goal is to detect AI writing signals early enough that an editor, instructor, or moderator can review the right content before it causes trust issues.
Grammarly's AI Detector explains the public detector experience, and Grammarly's detector accuracy guidance explains why results depend on text length and editing history. For the technical background, use the AI Detection Explained guide.
Paste, scan, route, review
Use this detect AI writing workflow for quick checks and repeatable review.
Paste. Add the text sample with enough length for a meaningful signal.
Scan. Run Grammarly AI Detection and review the result.
Route. Send high-risk content to a human reviewer instead of making an automatic judgment.
Resolve. Record the review decision, edits, or next action.
Use cases for detecting AI writing
Editorial review
Screen contributed drafts before publication
Education checks
Flag submissions that need instructor review
UGC moderation
Reduce AI spam in reviews, comments, and forums
Freelance QA
Check deliverables before accepting content work
SEO content review
Confirm outsourced content has human value
Policy workflows
Route sensitive content through documented review
Batch screening
Process archives or content queues through the API
Cleanup handoff
Send flagged drafts into a human editing workflow
Review rules for responsible detection
When you detect AI writing, treat the result as a risk signal. Do not use one score as sole evidence for discipline, rejection, or public accusation. Text length, language, editing history, and writing style all affect detection reliability.
For teams, define thresholds by workflow. A blog draft may need editing. A student submission may need conversation and evidence. A spam queue may need automated routing. The same detector signal should not trigger the same action everywhere.
Trust and source note
Grammarly AI Detector documents the detector experience. Grammarly's accuracy guidance explains why AI detection tools should be used carefully. Use those sources for context, then validate your detect AI writing workflow against your own content samples.
Detect AI writing FAQ
Start detecting AI writing
Open the detector for quick checks, then move to API access when your workflow needs automated screening and documented review.
Start with $1 credit.