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Grammarly vs Copy.ai

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

Grammarly favicon

Grammarly

Grammarly Inc

Copy.ai favicon

Copy.ai

Copy.ai

Overview
Rating
4.711,000 reviewsTop rated
4.48,500 reviews
Category
Writing
Writing
Subcategory
Grammar and Writing Assistant
AI Copywriting Tool
Company
Grammarly Inc
Copy.ai
Status
Active
Active
Launch year
2009
2020
Tags
grammarwritingspellingstyletoneai-writing
copywritingmarketingad-copyemailsocial-mediaai-writing
Pricing
Starting price
$12/moBest value
$36/mo
Pricing model
Freemium
Freemium
Free plan
Yes
Yes
Free trial
✕
✕
Pricing notes

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

Free plan with 2,000 words/month. Starter $36/month billed annually ($49/month billed monthly) for unlimited words. Teams at custom pricing.

Capabilities
Best for
Email writingProfessional writingAcademic writingContent creationTeam writing consistency
Ad copyEmail marketingSocial media contentProduct descriptionsLanding pages
Target audience
StudentsWritersProfessionalsMarketing teamsCustomer serviceNon-native English speakers
MarketersFoundersSmall business ownersFreelance copywritersContent teams
AI type
Writing Assistant
Writing Assistant
Modalities
Text
Text
Technical
Model provider
Grammarly
OpenAI
Model names
—
—
API available
✕
✓
Open source
✕
✕
Deployment
SaaS
SaaS
Platforms
WebWindowsMaciOSAndroid
WebChrome extension
Integrations
Microsoft WordGoogle DocsChromeFirefoxSafariEdgeSlackGmail
HubSpotSalesforceZapierWebflowShopify
Team collaboration
✓
✓
Trust & security
Security

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

Enterprise plans include SSO and data security features.

Privacy notes

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

Review Copy.ai's data handling policy. Content generated may be processed by third-party AI providers.

Verdict
Pros
  • 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
  • Template library reduces blank page friction
  • Affordable with genuine unlimited word generation on paid plans
  • Fast output for short-form marketing copy
  • Good integration with marketing platforms
Cons
  • 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
  • Long-form content quality requires more editing than Jasper
  • Brand voice less sophisticated than dedicated alternatives
  • Template approach can produce formulaic output without iteration

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