G
GOriginality.ai vs Paraphraser.io
Pricing, features, platforms and who each one suits — side by side.
O
Choose Originality.ai if…
- you work on Chrome
- you're in its core audience: content publishers, marketing agencies
P
Choose Paraphraser.io if…
- you want the lower entry price ($3.96/mo vs $12.95/mo)
- you're in its core audience: students, content writers
Side by side
Feature Originality.ai Paraphraser.io
Pricing modelFreemiumFreemium
Starting price$12.95/mo$3.96/mo
Free plan
Free trial
API
Open source
Cost per 1,000 words processed$0.065—
Trains AI on your contentYes, unless you opt out—
Data retentionScan history kept 30 days (Pro) or 365 days (Enterprise)—
Sentence-level highlights—
Plagiarism checker—
Writing replay—
Bulk processing—
Shareable reports—
Docs/LMS integration—
PlatformsWeb, Chrome, APIWeb, API
CategoryAI Detection & HumanizersParaphrasing & Rewriting
CompanyOriginality AI Inc.—
Based inCanada—
Founded2022—
Part of——
Key features
O Originality.ai
- AI text detection with sentence-level highlights
- Plagiarism checker
- Fact and AI hallucination checker
- Grammar and readability checkers
- Bulk Scan for many documents
- Writing Replay showing how a document was written
- Deep Scan editing suggestions
- Shareable reports and PDF downloads
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
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Originality.ai
FreeFree
Pro$14.95/mo, or $12.95/mo billed yearly ($155.40/yr)
Enterprise$179/mo, or $136.58/mo billed yearly ($1,638.96/yr)
Paraphraser.io
FreeFree
Silver$4.55/week
Gold$9.55/month
Diamond$0.99/week, billed annually at $47.52
Strengths and limitations
Originality.ai
- Free tier includes AI, plagiarism, grammar and fact checks
- Pro plan starts at $12.95/mo billed yearly
- Integrations for Chrome, Firefox, Google Docs, Moodle and Google Classroom
- Detects text that was paraphrased with AI
- API access only on the $179/mo Enterprise plan
- Credit-based usage: 1 credit equals 100 words
- Pricing page gives conflicting details on free credits and Pro scan history
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
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy