Updated April 2026 · Independent Analysis
GrammarlyvsJasper
Grammarly starts at $12/mo, 69% cheaper than Jasper's $39/mo. Both rated 4.7/5 by users.
Grammarlyvs Jasper
★ 4.7/5
Only in Grammarly
- ✦ Grammar & spelling
- ✦ Tone detection
- ✦ Clarity suggestions
✓ Free planFrom $12/mo(cheaper)30M+ users · est. 2009
Try Grammarly Free →
Jaspervs Grammarly
★ 4.7/5
Only in Jasper
- ✦ Brand voice training
- ✦ 50+ content templates
- ✦ Long-form editor
From $39/mo(pricier)100K+ users · est. 2021
Try Jasper Free →Ratings Breakdown
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
G2 Rating4.7/5
Jasper
4.7/5 avg
G2 Score4.7/5
Capterra Score4.8/5
G2 Rating4.7/5
Quick Stats
Feature Comparison
Grammarly uniquely offers Grammar & spelling, Tone detection, Clarity suggestions. Jasper uniquely offers Brand voice training, 50+ content templates, Long-form editor. Both share 4 features including Browser extension, Google Docs integration, Analytics.
Feature
Grammarly
Jasper
Browser extension
✓
✓
Google Docs integration
✓
✓
Analytics
✓
✓
API access
✓
✓
Grammar & spelling
✓
✗
Tone detection
✓
✗
Clarity suggestions
✓
✗
Plagiarism checker
✓
✗
GrammarlyGO (AI writing)
✓
✗
Style guide (Business)
✓
✗
Brand tones
✓
✗
Microsoft Office add-in
✓
✗
Mobile keyboard
✓
✗
Snippets
✓
✗
Team usage reports
✓
✗
GDPR compliant
✓
✗
SSO (Business)
✓
✗
Multi-language (English-focused)
✓
✗
Readability score
✓
✗
Conciseness suggestions
✓
✗
Brand voice training
✗
✓
50+ content templates
✗
✓
Long-form editor
✗
✓
SEO mode
✗
✓
Multi-language (30+)
✗
✓
AI Art generation
✗
✓
Jasper Chat
✗
✓
Campaign planning
✗
✓
Content calendar
✗
✓
Team collaboration
✗
✓
Fact checking
✗
✓
Plagiarism detection
✗
✓
Custom style guides
✗
✓
Workflow automation
✗
✓
CMS integrations
✗
✓
Enterprise SSO
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Grammarly if you need:
- ✓ Grammar & spelling
- ✓ Tone detection
- ✓ Clarity suggestions
- ✓ Plagiarism checker
- ✓ GrammarlyGO (AI writing)
Choose Jasper if you need:
- ✓ Brand voice training
- ✓ 50+ content templates
- ✓ Long-form editor
- ✓ SEO mode
- ✓ Multi-language (30+)
Pricing Comparison
Grammarly starts at $12/mo, 69% cheaper than Jasper's $39/mo.
Grammarly Plans
Free tier available
Free
Free- • Basic spelling & grammar
- • Tone detection
- • Limited suggestions
ProBest Value
$12/user/mo- • Advanced suggestions
- • Full-sentence rewrites
- • Plagiarism detection
Enterprise
Custom- • Team admin
- • SSO
- • Analytics
Jasper Plans
Paid plans only
CreatorBest Value
$39/user/mo- • 1 seat
- • SEO mode
- • Browser extension
- • 7-day free trial
Pro
$59/user/mo- • Up to 5 seats
- • Brand voice
- • AI image generation
Business
Custom- • Unlimited seats
- • Custom workflows
- • SSO
- • API access
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