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Hyperwrite AI vs Grammarly

This comparison was retrieved by database IDs selected from the catalog.

Hyperwrite AI favicon

Hyperwrite AI

OtherSideAI

Grammarly favicon

Grammarly

Grammarly Inc

Overview
Rating
4.45,000 reviews
4.711,000 reviewsTop rated
Category
Writing
Writing
Subcategory
AI Writing Browser Extension
Grammar and Writing Assistant
Company
OtherSideAI
Grammarly Inc
Status
Active
Active
Launch year
2020
2009
Tags
writingbrowser-extensionaiautocompleteproductivitychrome
grammarwritingspellingstyletoneai-writing
Pricing
Starting price
$20/mo
$12/moBest value
Pricing model
Freemium
Freemium
Free plan
Yes
Yes
Free trial
✕
✕
Pricing notes

Free plan with 15 AI completions/day. Premium $20/month. Ultra $44.99/month.

Free with basic checks. Pro $12/month billed annually ($30/month billed monthly). Business $15/member/month with team features and style guides.

Capabilities
Best for
Browser-integrated writing assistanceEmail writingProfessional communicationContent creationAgentic web browsing
Email writingProfessional writingAcademic writingContent creationTeam writing consistency
Target audience
WritersProfessionalsStudentsContent creatorsKnowledge workers
StudentsWritersProfessionalsMarketing teamsCustomer serviceNon-native English speakers
AI type
Writing Assistant
Writing Assistant
Modalities
Text
Text
Technical
Model provider
OpenAI
Grammarly
Model names
—
—
API available
✕
✕
Open source
✕
✕
Deployment
SaaS
SaaS
Platforms
ChromeEdge
WebWindowsMaciOSAndroid
Integrations
GmailGoogle DocsSlackAny website
Microsoft WordGoogle DocsChromeFirefoxSafariEdgeSlackGmail
Team collaboration
✕
✓
Trust & security
Security

Review HyperWrite data handling policy. The extension reads page content and sends writing contexts to HyperWrite's AI.

Business plan includes SSO and admin controls. Enterprise with data handling agreements.

Privacy notes

Browser extension reads page content and text field content. Review privacy policy carefully before use with sensitive communications.

The browser extension reads all text typed in a browser, including potentially sensitive content. Review settings and consider disabling for confidential work.

Verdict
Pros
  • TypeAhead inline suggestions work across all website text fields without switching apps
  • Agentic browsing capabilities go beyond pure writing assistance
  • Browser integration reduces friction between AI assistant and work
  • Free plan allows meaningful evaluation
  • Best real-time grammar and style checking available
  • Widest integration support of any AI writing assistant
  • Free plan genuinely useful for everyday writing
  • Tone detection helps with professional communication
Cons
  • TypeAhead suggestions require adjustment to natural writing flow
  • Privacy considerations apply as with all extensions reading page content
  • Premium features require $20/month or more
  • GrammarlyGO generative features weaker than dedicated AI writing tools
  • Monthly billing expensive at $30 versus $12 annual
  • Browser extension has broad data access
  • Limited value for non-English writing

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