kitio.aiGPTZero vs ZeroGPT.net
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. GPTZero starts at See pricing page and ZeroGPT.net starts at $14.99/mo. Check both pricing pages for current plans.
Free AI text detector for ChatGPT, Claude, Gemini and DeepSeek output
Freemium · $14.99/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI probability score
- Sentence highlighting
- Writing replay in Google Docs
- Plagiarism checker
- API
- AI text detection
- File upload scanning
- Batch detection
- PDF reports
- Detection API
- AI Humanizer
| Feature | GPTZero | ZeroGPT.net |
|---|---|---|
| Best for | AI detector that flags machine-written text for teachers and editors | Free AI text detector for ChatGPT, Claude, Gemini and DeepSeek output |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $14.99/mo |
| Free plan | Yes | Yes |
| Made by | GPTZero | ZeroGPT.net |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
GPTZero starts at See pricing page and ZeroGPT.net starts at $14.99/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 500,000 detection words per month
- 15,000 characters per scan
- No API access
Pro
$14.99/mo
- Unlimited detection words
- 100,000 characters per scan
- Batch checks up to 50 files
- 500,000 API words per month
Pro Plus
$29.99/mo
- 60,000 Humanizer words per month
- 1,000,000 API words per month
Business
$99.99/mo
- Unlimited Humanizer (fair use)
- 2,000,000 API words per month
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
GPTZero
- Free tier for regular checks
- Writing replay shows the drafting process
- LMS integrations
- Scores are probabilities, not proof
- Can misjudge non-native English writing
ZeroGPT.net
- Generous free word allowance
- No account needed for basic scans
- API included from Pro
- Detection results are never certain
- Name is easily confused with zerogpt.com
- Free plan has no API access
Which one should you choose?
Choose GPTZero if you want:
- Free tier for regular checks
- Writing replay shows the drafting process
- LMS integrations
Watch out: scores are probabilities, not proof.
Choose ZeroGPT.net if you want:
- Generous free word allowance
- No account needed for basic scans
- API included from Pro
Watch out: detection results are never certain.
GPTZero vs ZeroGPT.net FAQ
What is the difference between GPTZero and ZeroGPT.net?
GPTZero: AI detector that flags machine-written text for teachers and editors. ZeroGPT.net: Free AI text detector for ChatGPT, Claude, Gemini and DeepSeek output. Both are writing tools.
Is GPTZero or ZeroGPT.net cheaper?
GPTZero starts at See pricing page and ZeroGPT.net starts at $14.99/mo. Check both pricing pages for current plans.
Do GPTZero and ZeroGPT.net have free plans?
GPTZero: Yes. ZeroGPT.net: Yes.
Who makes GPTZero?
GPTZero is made by GPTZero, based in United States.
Who makes ZeroGPT.net?
ZeroGPT.net is made by ZeroGPT.net.
Which should I choose, GPTZero or ZeroGPT.net?
Choose GPTZero if you value free tier for regular checks and writing replay shows the drafting process. Choose ZeroGPT.net if you value generous free word allowance and no account needed for basic scans.