Undetectable AI alternatives
- 1S

Rewrites AI-generated text to read as human, with a built-in AI detector
Pricier: from $29.99/moNo free planMobile app - 2H

Rewrites AI-generated text to read as human, with a built-in AI detector
Pricier: from $9.99/mo - 3W

Rewrites AI-generated text to read naturally, with a built-in AI detector
Pricier: from $12/moMobile app - 4B

Rewrites AI-generated text to read as human for students and marketers
- 5H

AI humanizer, AI checker and study tools for students and writers
- 6G
GPTZeroAI DetectorsAI text detector with plagiarism checks and writing replay for educators
- 7O
Originality.aiAI DetectorsAI content detection, plagiarism and fact checking for publishers and educators
Pricier: from $12.95/mo - 8CCopyleaks AI DetectorAI Detectors
Detects AI-generated text and images and checks for plagiarism
Pricier: from $13.99/mo - 9WWordAiParaphrasing & Rewriting
AI rewriter that restructures sentences and rewrites articles in bulk
Pricier: from $9/moNo free plan - 10P
Paraphraser.ioParaphrasing & RewritingOnline AI paraphrasing tool with multiple rewriting modes in 20+ languages
Cheaper: from $3.96/mo - 11W
WordtuneParaphrasing & RewritingAI rewriting, summarizing and grammar assistant for everyday writers
No APIMobile app
Side-by-side comparison
| Tool | Price | Free plan | API | Open source | Platforms | |
|---|---|---|---|---|---|---|
| U | Free · from $5/mo | Web, Chrome, API | ||||
| S | From $29.99/mo | Web, iOS, Chrome, API | vs Undetectable AI | |||
| H | Free · from $9.99/mo | Web, API | vs Undetectable AI | |||
| W | Free · from $12/mo | Web, Chrome, iOS, Android | vs Undetectable AI | |||
| B | Freemium | Web, API | vs Undetectable AI | |||
| H | Freemium | Web, API | vs Undetectable AI | |||
| G | Freemium | Web, Chrome, API | vs Undetectable AI | |||
| O | Free · from $12.95/mo | Web, Chrome, API | vs Undetectable AI | |||
| C | Free · from $13.99/mo | Web, API | vs Undetectable AI | |||
| W | From $9/mo | Web, API | vs Undetectable AI | |||
| P | Free · from $3.96/mo | Web, API | vs Undetectable AI | |||
| W | Free · from $4.89/mo | Web, Chrome, iOS | vs Undetectable AI |
What you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
- Paraphraser.ioDiamond$3.96/mo
- Undetectable AI10K words$5/mo
- WordAiStarter$9/mo
- HIX BypassStandard$9.99/mo
- WriteHumanBasic$12/mo
- Originality.aiPro$12.95/mo
- Copyleaks AI DetectorPersonal$13.99/mo
The cheapest paid plan with a published price that fits. Custom and sales-quoted plans aren't included.