Our AI detector uses multi-model classifiers to identify AI-generated content from every major language model. The AI checker analyzes your text sentence by sentence and returns a clear probability score in seconds. Free to try. No card. No signup.
3 free checks a day · no signup · your text is never stored
Your text is processed to return a result and is never stored or used to train models.
We publish how the score is produced and its limits. Read the methodology →
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No setup, no card. Paste your text into the AI detector and read the sentence-level breakdown in seconds.
Paste a paragraph or a full document up to 5,000 characters into the detector above. As an AI text detector, TextSight handles short snippets and full essays alike.
Multiple language signals — perplexity, burstiness, and stylometry — combine into one probability. Our AI content detection methodology runs five classifiers on every sentence, not just statistical guessing.
Get an AI probability score plus the human-likelihood complement, and judge the result for yourself. This AI detection tool covers all major language models and is updated as new models ship.
Not just a number — the signals and detail behind every verdict. Our AI content detector reads perplexity, burstiness, and stylometry, and for sentence-level transparency it aims to be the best AI detector at showing why text is flagged.
See which passages drive the score instead of guessing from a single overall percentage.
One AI probability number from the AI content checker, with the human-likelihood complement, so the result is easy to read.
Text is processed to return your result, then discarded. Never stored, never used for training.
Check content in English, Spanish, French, German, Portuguese, and dozens more.
We document how the score is produced and where it can fall short. Read it →
Tuned to keep human writing from being wrongly flagged — and we tell you when confidence is low.
A second opinion before you publish, grade, or approve.
Get sentence-level evidence from the AI checker to support a fair, human-led academic-integrity review.
Add an AI-content check to your editorial QA before content goes live. The AI content checker shows which sentences read as AI-generated, not just an overall score.
Check your own drafts with the AI detector before you publish, so you can confidently say your work is your own.
Verify supplier or freelance copy meets your originality standards before you pay. Whether you're auditing one essay or running bulk scans, our AI detection tool scales with you.
Free to try. No card. No signup for your first scans.