Copyleaks AI Detector vs TheChecker.AI
Copyleaks AI Detector
copyleaks.com
TheChecker.AI
thechecker.aiSide by side
| Figure | Copyleaks AI Detector | TheChecker.AI |
|---|---|---|
| Price from | $13.99/mo | $8.25/mo |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 12 | 9 |
| Spec score · AI Content Detectors | 9.0 (#2) | 7.3 (#23) |
| Spec score · AI Content Detection Software | 9.1 (#4) | 7.4 (#36) |
| Browser extension | Copyleaks provides a Chrome, Edge and Firefox extension for checking highlighted web content. | The Chrome extension page says the extension is coming soon and describes planned one-click checks, page scanning, and support for Google Docs and Gmail. |
| Headquarters | New York, NY, United States | Limassol, Cyprus |
| Security | Copyleaks states that data is encrypted at rest with AES-256 and that it holds SOC 2 and SOC 3 certifications and supports GDPR compliance. | The privacy policy says the company uses encryption in transit and at rest, regular security assessments, and access controls. |
Plans
Copyleaks AI Detector
- PersonalPriced on request
- ProPriced on request
- Personal$16.99 a month
- Personal (monthly billing)$16.99 a month
- Pro$99.99 a month
- Pro (monthly billing)$99.99 a month
- Personal (annual billing)$167.88 a year
- Pro (annual billing)$899.88 a year
- EducationPriced on request
- EducationPriced on request
TheChecker.AI
- Monthly$9.90 a month
- Yearly$99 a year
- Starter Humanizer Credits$5, paid once
- Standard Humanizer Credits$15, paid once
- Pro Humanizer Credits$35, paid once
- EnterprisePriced on request
- Humanizer Starter$5, paid once
- Humanizer Standard$15, paid once
- Humanizer Pro$35, paid once
In their own words
Copyleaks AI Detector
Copyleaks AI Detector identifies AI-written text, including writing that mixes AI and human passages. It supports more than 30 languages and names GPT-5, GPT-4, ChatGPT, Claude, Gemini, DeepSeek, Llama, Bloom, Rytr, and Jasper among the sources it detects. AI Logic explains flagged results, displays AI phrase frequency, and can identify text appearing in published content elsewhere. The web detector scans up to 25,000 characters without login; the website platform requires at least 255 characters and accepts up to 2,000 pages. A Chrome and Edge extension accepts 350 to 25,000 characters, and a Google Docs add-on and education LMS integrations connect it to other workflows. Personal costs $13.99 a year with annual billing or $16.99 a month; Pro costs $74.99 a year with annual billing or $99.99 a month. A free plan and free trial are listed. Copyleaks says data is encrypted at rest with AES-256, reports SOC 2 and SOC 3 certifications, and supports GDPR compliance.
TheChecker.AI
TheChecker.AI has no write-up on Specifiction yet; its figures are above.