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Lex vs Grammarly

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

Lex favicon

Lex

Lex

Grammarly favicon

Grammarly

Grammarly Inc

Overview
Rating
4.54,000 reviews
4.711,000 reviewsTop rated
Category
Writing
Writing
Subcategory
AI Word Processor
Grammar and Writing Assistant
Company
Lex
Grammarly Inc
Status
Active
Active
Launch year
2022
2009
Tags
writingaiword-processorlong-formessayblog
grammarwritingspellingstyletoneai-writing
Pricing
Starting price
$9/moBest value
$12/mo
Pricing model
Freemium
Freemium
Free plan
Yes
Yes
Free trial
✕
✕
Pricing notes

Free plan with limited AI generations. Pro $9/month with AI writing assistance. Team plans available.

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
Long-form essay and article writingNewsletter and blog writingAcademic writing assistanceThought leadership contentResearch and report writing
Email writingProfessional writingAcademic writingContent creationTeam writing consistency
Target audience
WritersEssayistsNewsletter authorsBloggersResearchers
StudentsWritersProfessionalsMarketing teamsCustomer serviceNon-native English speakers
AI type
Writing Assistant
Writing Assistant
Modalities
Text
Text
Technical
Model provider
OpenAIAnthropic
Grammarly
Model names
—
—
API available
✕
✕
Open source
✕
✕
Deployment
SaaS
SaaS
Platforms
Web
WebWindowsMaciOSAndroid
Integrations
—
Microsoft WordGoogle DocsChromeFirefoxSafariEdgeSlackGmail
Team collaboration
✕
✓
Trust & security
Security

Review Lex's data handling policy. Document content processed on Lex's infrastructure.

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

Privacy notes

Review Lex's privacy policy. Document content is processed on Lex's servers for AI features.

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

Verdict
Pros
  • Inline AI integration stays within the writing flow without switching to a chat interface
  • Document-level feedback analyses argument structure and pacing, not only sentence-level issues
  • ++ keyboard shortcut triggers generation frictionlessly
  • Clean distraction-free interface designed for focused writing sessions
  • 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
  • Free plan limited AI generations may frustrate writers who want to evaluate before committing to Pro
  • Less structured template support than Notion or Coda for teams needing more than a word processor
  • Collaboration features are more limited than Google Docs for team document editing
  • 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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