Noplag Engine pricing
4 plans read from github.com
FreeFree 3 checks per month2,500 words per check · public web + Common Crawl · self-host for unlimited local checks Read 29 Sep 2026 · noplag.com
Pro$9.99 a month Monthly50 checks per month · 25,000 words per check · Noplag Database · academic index · REST API + webhooks Read 29 Sep 2026 · noplag.com
Premium$19.99 a month Monthly200 checks per month · 50,000 words per check · Live Web search · branded PDF reports · priority support Read 29 Sep 2026 · noplag.com
EnterprisePriced on request CustomCustom check volume · all corpora + Live Web · on-prem or private cloud · SSO/SAML · LMS integrations · dedicated support + SLA Read 29 Sep 2026 · noplag.com
In short
- Noplag Engine has a free plan (Free).
- A free trial is offered.
- Paid plans published: 2, from $9.99 a month.
- 1 plan is priced on request (Enterprise).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Copyleaks AI Detector | $13.99/mo | No | Yes |
| Copyscape | $4.95/mo | Yes | Yes |
| GPTZero | $8.33/mo | Yes | Yes |
| Noplag | $9.99/mo | Yes | Yes |
| Dolos | — | Yes | No |
| Plagiarisma | $8.25/mo | Yes | Yes |
| Originality.ai | $12.95/mo | Yes | Yes |
| Plagium | $19.98/mo | Yes | No |