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Grammarly vs Jasper AI
Our Verdict
Based on ratings, features, pricing, and capabilities, Grammarly edges ahead in this comparison. Grammarly scores higher on user ratings and overall feature set.
Feature
Grammarly
Jasper AI
Rating
⭐ 4.8/5
⭐ 4.7/5
Free Plan
Starting Price
$12/mo
$39/mo
Monthly Visits
72.0M
21.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
7 apps
5 apps
Team Size
ENTERPRISE
ENTERPRISE
Grammarly Pros & Cons
Pros
- Works seamlessly inside every web browser, Slack, Word, and email client
- Tone detector prevents misunderstandings in professional emails
- Free tier catches the vast majority of common grammar and spelling errors
Cons
- Premium tier is a notable monthly subscription
- Occasionally suggests overly simplified sentence structures
Jasper AI Pros & Cons
Pros
- Maintains consistent company brand voice across dozens of team members
- Creates complete campaigns (ads, landing page, emails) in one click
- Excellent browser extension for drafting anywhere
Cons
- Higher price point than general-purpose assistants like ChatGPT
- Requires initial setup of brand knowledge base for best output
Grammarly Key Features
- Real-Time Spelling & Grammar Checking
- Tone & Clarity Suggestions
- Generative AI Text Completion (100 prompts/mo on Free)
- Plagiarism Detection
Jasper AI Key Features
- Brand Voice & Style Guide Enforcement
- Multichannel Campaign Generator
- Integrated Surfer SEO Optimization
- Enterprise Plagiarism Checker