Updated March 2026 · Independent Analysis
SudowritevsGrammarly
Grammarly starts at $12/mo, 37% cheaper than Sudowrite's $19/mo. Grammarly is rated higher at 4.7/5 vs Sudowrite's 4.5/5.
Sudowrite
AI writing partner purpose-built for fiction authors, with tools for brainstorming, drafting, and overcoming writer's block.
★ 4.5/5Founded 2020100K+ users
Try Sudowrite Free →
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →⚡ Quick Stats
📊 Ratings Breakdown
Sudowrite
4.5/5 avg
G2 Score4.5/5
Capterra Score4.4/5
Overall Avg4.45/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
⚡ Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Sudowrite if you need:
- ✓ Story Engine
- ✓ Canvas
- ✓ Describe AI
- ✓ Brainstorm
- ✓ Rewrite
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
🔧 Feature Comparison
Sudowrite uniquely offers Story Engine, Canvas, Describe AI. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
Sudowrite
Grammarly
Story Engine
✓
✗
Canvas
✓
✗
Describe AI
✓
✗
Brainstorm
✓
✗
Rewrite
✓
✗
First Draft
✓
✗
Poem generator
✓
✗
Describe tool
✓
✗
Feedback mode
✓
✗
Characters
✓
✗
World building
✓
✗
Outline generator
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
12
8
💰 Pricing Comparison
Grammarly starts at $12/mo, 37% cheaper than Sudowrite's $19/mo.
Sudowrite Plans
Paid plans only
HobbyBest Value
$19/mo- • 30K AI words/mo
- • Story Engine
- • Canvas
Professional
$29/mo- • 90K AI words/mo
- • All features
- • Priority support
Max
$129/mo- • 300K AI words/mo
- • Highest limits
- • Team access
Grammarly Plans
Free tier available
Free
Free- • Basic grammar
- • Spelling
- • Punctuation
PremiumBest Value
$12/month- • Style suggestions
- • Tone detection
- • Plagiarism checker
- • Full rewrites
Business
$15/month- • Team features
- • Style guide
- • Analytics
- • Priority support
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❓ Frequently Asked Questions
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