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WParaphraser.io vs StealthGPT
Pricing, features, platforms and who each one suits — side by side.
P
Choose Paraphraser.io if…
- you want a free plan to start with
- you want the lower entry price ($3.96/mo vs $29.99/mo)
- you're in its core audience: students, content writers
S
Choose StealthGPT if…
- you want to trial it before paying
- you work on iOS, Chrome
- you're in its core audience: students, content writers
Side by side
Feature Paraphraser.io StealthGPT
Pricing modelFreemiumFree trial
Starting price$3.96/mo$29.99/mo
Free plan
Free trial
API
Open source
Tone/style modes—
Humanize AI text—
Summarizer—
Frozen words—
Non-English languages—
File import/export—
PlatformsWeb, APIWeb, iOS, Chrome, API
CategoryParaphrasing & RewritingAI Humanizers
Company—XYZ AI, Inc.
Full feature lists
P Paraphraser.io
- 10+ paraphrasing modes, including Academic, Formal and Humanize
- Custom tone mode
- Click-to-swap synonym suggestions
- Frozen words to protect key terms
- Text extraction from images and screenshots
- Speech-to-text and recorded audio input
- File upload
- Support for 20+ languages
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.
Paraphraser.io · paraphraser.io
StealthGPT · stealthgpt.aiWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
What the free plans include
Paraphraser.io
- Word limit shown as 0 / 400 words in the input box
- Word changer, fluency, standard, formal & smooth modes with 600 words limit
- Other modes (Creative, Smarter, Shorten, Academic, Expand) shown as premium-gated
- Pro raises the limit to 1500 words
StealthGPT
No free plan.
All plans and prices
Paraphraser.io
FreeFree
Silver$4.55/week
Gold$9.55/month
Diamond$0.99/week, billed annually at $47.52
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
Paraphraser.io
- Free tier with five modes and no daily cap
- Supports more than 20 languages
- Accepts image, audio and file input
- Annual Diamond plan works out to about $3.96 per month
- API access only on the Diamond plan
- Advanced modes such as Creative and Academic require a paid plan
- Paid plans cap the total words and paraphrases
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