kitio.aiTurnitin vs GPTZero
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and GPTZero starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Similarity Report
- AI writing indicator
- LMS integrations
- Feedback Studio
- Draft process insights
- AI probability score
- Sentence highlighting
- Writing replay in Google Docs
- Plagiarism checker
- API
| Feature | Turnitin | GPTZero |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | AI detector that flags machine-written text for teachers and editors |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Turnitin | GPTZero |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Turnitin starts at See pricing page and GPTZero starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Turnitin
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
- Not available to individuals
- AI scores can be contested
- Pricing only through institutions
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
Which one should you choose?
Choose Turnitin if you want:
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
Watch out: not available to individuals.
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.
Turnitin vs GPTZero FAQ
What is the difference between Turnitin and GPTZero?
Turnitin: Plagiarism and AI writing detection used by schools and universities. GPTZero: AI detector that flags machine-written text for teachers and editors. Both are writing tools.
Is Turnitin or GPTZero cheaper?
Turnitin starts at See pricing page and GPTZero starts at See pricing page. Check both pricing pages for current plans.
Do Turnitin and GPTZero have free plans?
Turnitin: No. GPTZero: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes GPTZero?
GPTZero is made by GPTZero, based in United States.
Which should I choose, Turnitin or GPTZero?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose GPTZero if you value free tier for regular checks and writing replay shows the drafting process.