Grammarly vs Sudowrite

A side-by-side comparison to help you choose the right tool.

Grammarly scores higher overall (80/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.
Free plan
Yes
Best for
professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides
Platforms
web, desktop, mobile, browser-extension
API
No
Languages
en
Pricing
Hobby & Student plan at $10/month. Professional plan at $25/month with more credits. Max plan at $100/month for heavy use.
Free plan
No
Best for
novelists overcoming writer's block on story drafts, fiction writers developing characters and plot outlines, creative writers experimenting with different prose styles, NaNoWriMo participants who need to maintain daily word counts
Platforms
web
API
No
Languages
en

Choose Grammarly if:

  • You are professionals writing emails and business documents
  • You are students improving academic writing
  • You are content creators and marketers polishing copy
  • You want to start free
Read Grammarly review →

Choose Sudowrite if:

  • You are novelists overcoming writer's block on story drafts
  • You are fiction writers developing characters and plot outlines
  • You are creative writers experimenting with different prose styles
Read Sudowrite review →

FAQ

What is the difference between Grammarly and Sudowrite?
Grammarly is the most widely used ai writing assistant, offering real-time grammar, spelling, tone, and clarity suggestions across virtually any text field via browser extensions, desktop apps, and mobile keyboards. its generative ai features now handle full rewrites and drafting. Sudowrite is ai fiction writing assistant designed specifically for novelists and creative writers, offering story development tools like character arcs, plot brainstorming, and prose generation.
Which is cheaper, Grammarly or Sudowrite?
Grammarly: Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.. Sudowrite: Hobby & Student plan at $10/month. Professional plan at $25/month with more credits. Max plan at $100/month for heavy use.. Grammarly has a free plan.
Who is Grammarly best for?
Grammarly is best for professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides.
Who is Sudowrite best for?
Sudowrite is best for novelists overcoming writer's block on story drafts, fiction writers developing characters and plot outlines, creative writers experimenting with different prose styles, NaNoWriMo participants who need to maintain daily word counts.