AI detector with sentence level results
Check whether text reads as AI written. Get an overall score and see every sentence marked human, mixed or AI.
- Results in seconds
- Sentence level highlights
- Works with any AI text
A score you can act on
Not just a number. See where the AI patterns are and fix those lines first.
- Overall AI probability from 0 to 100%
- Counts of human, mixed and AI sentences
- One click to humanize flagged text
Likely AI
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Check, fix, check again
Paste your text
Articles, reports, emails, any text. Up to 3,000 words per check.
Read the breakdown
Red sentences read as AI, amber are mixed, green read as human.
Fix what's flagged
Rewrite the red lines yourself, or send them to the AI humanizer.
AI detector FAQ
It looks at patterns that are common in machine written text, such as very even sentence length, predictable word choice and stock transitions, and scores each sentence. The overall score is the share of the text that reads as AI.
Green is 0–30% (likely human), amber is 31–70% (mixed) and red is 71–100% (likely AI). Mixed sentences also get a dotted underline and AI sentences a solid one, so the result is readable without color.
Yes. Free accounts get 5 checks a day; Pro and Unlimited get unlimited checks. Detection uses your word credits.
Yes. Every detector produces false positives, especially on short texts, formulaic writing and nonnative English. Treat any score as a signal, not proof.
Look at the red sentences first. Rewrite them in your own words, or send the text to the AI humanizer and check again.
Text flagged? Humanize it now
Turn red sentences into natural writing in seconds, then recheck your score.