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Alternatives to GPTZero
7 tools with a similar purpose to GPTZero. Detection tool that estimates whether text was written by a person or an AI model.
About this list. These tools overlap with GPTZero in what they do; they are not ranked and are not claimed to be better or worse. Features and pricing change often, so verify on each vendor's site.
GPTZero at a glance
- Category
- Writing
- Pricing model
- See site Not confirmed here; check the vendor's site.
- Official site
- https://gptzero.me/ · Details
7 alternatives
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| Originality.ai | Content checker for publishers that flags likely AI-written text and plagiarism and checks facts and readability. | Freemium | Official site |
| Copyleaks | Plagiarism and AI-content detection platform. | See site | Official site |
| Winston AI | AI content detector and plagiarism checker for educators and publishers. | Freemium | Official site |
| ZeroGPT | AI content detector for checking whether text was written by ChatGPT and similar models. | Freemium | Official site |
| Turnitin | Academic integrity and writing feedback platform. | See site | Official site |
| Sapling | Writing assistant and grammar checker for customer-facing teams. | Freemium | Official site |
| Undetectable AI | AI detector and humanizer that checks text for AI signals and rewrites it. | Free trial | Official site |
Alternatives with a free plan or tier
Originality.ai, Winston AI, ZeroGPT, Sapling.