AI Checkers and AI Writing Detectors
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Compare tools that check text for signs of AI writing. This table is for information only.
Link | Copyleaks AI Detector | CheckerAI | GPTZero |
|---|---|---|---|
| Last update | Nov. 15th 2026 3:24:36 PM | Nov. 15th 2026 3:25:23 PM | Nov. 15th 2026 3:24:48 PM |
| Website | copyleaks.com/... | checkerai.io | gptzero.me |
| Description | Copyleaks offers an AI text detector. The official page advertises a free starting option. | CheckerAI is a free AI checker that looks for signs of AI writing from ChatGPT, GPT, Claude, and Gemini. Paste text or upload a document, then review your score and highlighted passages—no account needed. The score is a signal to review, not proof of who wrote a text. | GPTZero is an AI detector. Its official site says you can paste text to get an overall AI score and sentence-by-sentence detection, and that it detects AI content from models such as Claude, ChatGPT, and Gemini. A free starting option is advertised. |
| Price | Free start option advertised | Free | Free start option advertised |
| Account required | No | ||
| Input | Paste text, or upload PDF, Word, TXT, or Markdown up to 20 MB | Paste text (as described on the official site) |
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