Originality.ai
Paid
AI detection plus plagiarism checking for serious publishers.
Best GPTZero alternatives in 2026
GPTZero is a freemium AI Detection tool — Popular detector that flags AI-generated text for educators. If you need a different price, a free plan or another approach, here are the 15 closest alternatives, ranked by the aixplor.in editors.
Pricing at a glance: 4 free · 5 freemium · 6 paid — 9 with a free plan.
About GPTZero →Top 15 GPTZero alternatives
Copyleaks
Freemium
Enterprise-grade AI content and plagiarism detection API.
Turnitin✔
Paid
Academic integrity suite with AI-writing detection.
ZeroGPT
Freemium
Free multi-language AI text detector with batch checking.
Hive Moderation
Paid
Detect AI-generated images, video and audio at scale.
Winston AI
Paid
AI detector with document scanning and readability reports.
Dechecker
Free
Detect content generated by ChatGPT, Claude, and Gemini to verify authenticity
DeepFake Detector AI
Paid
Detects manipulated videos and voices created with deepfake techniques
Safenew AI
Paid
Transform AI-generated text into natural writing while evading detection
FakerLabs
Free
Detects deepfakes and identifies whether videos are authentic
Clever AI Humanizer
Free
Rewrite AI-generated content to sound natural and evade detection tools
GeoSpy.ai
Freemium
GeoSpy is a powerful AI tool that can geotag any photo in seconds. Find out on a world map where a photo was taken.
Rephrasy
Freemium
Make AI-generated text undetectable by cloning your writing style
Roboflow
Freemium
An AI that can detect objects and that can be integrated into all kinds of projects.
Decopy AI
Free
Detect, humanize, and optimize AI-generated text for natural and original content
Compare at a glance
| Tool | Pricing | Free plan | Category |
| GPTZero (original) | Freemium | ✔ Yes | AI Detection |
| Originality.ai | Paid | — | AI Detection |
| Copyleaks | Freemium | ✔ Yes | AI Detection |
| Turnitin | Paid | — | AI Detection |
| ZeroGPT | Freemium | ✔ Yes | AI Detection |
| Hive Moderation | Paid | — | AI Detection |
| Winston AI | Paid | — | AI Detection |
| Dechecker | Free | ✔ Yes | AI Detection |
| DeepFake Detector AI | Paid | — | AI Detection |
| Safenew AI | Paid | — | AI Detection |
| FakerLabs | Free | ✔ Yes | AI Detection |
| Clever AI Humanizer | Free | ✔ Yes | AI Detection |
| GeoSpy.ai | Freemium | ✔ Yes | AI Detection |
| Rephrasy | Freemium | ✔ Yes | AI Detection |
| Roboflow | Freemium | ✔ Yes | AI Detection |
| Decopy AI | Free | ✔ Yes | AI Detection |
Free GPTZero alternatives
Copyleaks, ZeroGPT, Dechecker, FakerLabs, Clever AI Humanizer, GeoSpy.ai, Rephrasy, Roboflow and Decopy AI have a free plans — a good place to start if you don't want to pay for GPTZero.
Frequently asked questions
What is the best alternative to GPTZero?
Based on aixplor.in's editorial ranking, the most popular GPTZero alternatives are Originality.ai, Copyleaks and Turnitin. The best choice depends on your budget and what you use GPTZero for.
Is there a free alternative to GPTZero?
Yes. Copyleaks (freemium), ZeroGPT (freemium), Dechecker (free) and FakerLabs (free) are free or have a free plan.
How many GPTZero alternatives are there?
aixplor.in lists 15 close alternatives to GPTZero in the AI Detection category, 1 of them verified by our editors.
Explore related categories
Rankings reflect aixplor.in's editorial judgement and are not paid placements. Product names and logos belong to their owners.