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Grammarly vs Writesonic

A detailed comparison of Grammarly and Writesonic — features, pricing, pros & cons, and which one is right for you.

Last updated: April 12, 2026
MonthlyAnnual
Grammarly

Grammarly

4.7(15,234 reviews)
Free tierFrom $25/mo
Writesonic

Writesonic

4.4(1,456 reviews)
Free tierFrom $20/mo

Pricing Comparison

PlanGrammarlyWritesonic
FreeFreeFree
Premium$30/mo$20/mo
Business$25/mo$30/mo
Enterprise—Custom

Feature Comparison

FeatureGrammarlyWritesonic
API access
Ad copy
Brand voice
Free tier
Image generation
Long-form writing
Plagiarism checker
SEO optimization
Team collaboration

Pros & Cons

Grammarly

Grammarly

Pros

  • Industry standard
  • Browser extension
  • Tone detection
  • Plagiarism checker

Cons

  • Expensive premium
  • Aggressive upselling
  • Sometimes over-corrects
Writesonic

Writesonic

Pros

  • Lifetime recurring affiliate
  • Real-time data access
  • Chatsonic chatbot
  • Good value

Cons

  • Output quality inconsistent
  • UI cluttered
  • Credit system confusing

The Verdict

Overall Winner: Writesonic

Writesonic edges ahead with a 4.4 rating and stronger feature set, though Grammarly remains a solid alternative, especially with its free tier.

Best Value

Writesonic

From $20/mo

Most Features

Writesonic

9 features

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Thinking of switching?

Read our step-by-step migration guide to switch from Grammarly to Writesonic (or vice versa) without losing data.

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