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GCopyleaks AI Detector vs StealthGPT
Pricing, features, platforms and who each one suits — side by side.
C
Choose Copyleaks AI Detector if…
- you want a free plan to start with
- you want the lower entry price ($13.99/mo vs $29.99/mo)
- you're in its core audience: educators, students
S
Choose StealthGPT if…
- you work on iOS, Chrome
- you're in its core audience: students, content writers
Side by side
Feature Copyleaks AI Detector StealthGPT
Pricing modelFreemiumFree trial
Starting price$13.99/mo$29.99/mo
Free plan
Free trial
API
Open source
PlatformsWeb, APIWeb, iOS, Chrome, API
CategoryAI DetectorsAI Humanizers
CompanyCopyleaksXYZ AI, Inc.
Full feature lists
C
- Detects AI-generated text from ChatGPT, Gemini and others
- Plagiarism detection for text
- AI image detection
- Credit system: one credit covers 250 words or one image
- One-time extra credit purchases
- API access on enterprise plans
- LMS integration for education
S StealthGPT
- AI Humanizer with Lite and Super rewrite modes
- AI Detector with instant AI-likelihood score
- Stealth Writer essay generator with citations
- Stealth Agent for research, drafting and fact-checking
- Chat with PDF and photo-to-answers
- AI watermark detectors and removers
- REST API with bulk requests of up to 100 items
- WordPress, Zapier, n8n and MCP integrations
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Copyleaks AI Detector · copyleaks.com
StealthGPT · stealthgpt.aiWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Copyleaks AI Detector | StealthGPT |
|---|---|---|
| 1 person | $13.99 Personal | no published plan |
All plans and prices
Copyleaks AI Detector
FreeFree
Personal$16.99/mo, or $13.99/mo billed annually
Pro$99.99/mo, or $74.99/mo billed annually
Education / EnterpriseCustom
StealthGPT
Pro$29.99/mo ($1 for 3-day trial)
Max$49.99/mo ($1 for 3-day trial)
Enterprise$179.99/mo
Strengths and limitations
Copyleaks AI Detector
- Free credits for new users
- Covers AI detection, plagiarism and image detection in one plan
- Annual billing lowers Personal to $13.99/mo
- Unused monthly credits are cancelled at the end of each month
- API and LMS access only on custom-priced plans
StealthGPT
- Pro and Max can be tried for $1 for 3 days
- API, MCP, Zapier and n8n integrations available
- Available on web, iOS and as a Chrome extension
- Interface available in nine languages
- Pro plan limits each request to 1,000 words
- Team seats only on Max and Enterprise
- Trial converts to $29.99/month or more
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Facts from each vendor's public pages, prices checked Oct 26, 2026. Editorial policy