Home / Compare / Grammarly vs Writesonic
Grammarly AI writing assistance to help you write with confidence
4.9
Visit Grammarly
Free plan available
VS
Writesonic Create SEO-optimized and plagiarism-free content 10X faster
4.8
Visit Writesonic
Free plan available

Ratings Comparison

Grammarly Writesonic
Ease of Use
5.0 / 4.8
Features
4.7 / 4.9
Value for Money
4.4 / 4.6
Customer Support
4.5 / 4.5
Overall Rating
4.9 / 4.8

Feature Comparison

Feature Grammarly Writesonic
Pricing Model Freemium Freemium
Starting Price $12.00/mo $16.00/mo
Free Plan ✓ Yes ✓ Yes
Free Trial ✓ 7 days ✓ Yes
API Available ✓ Yes ✓ Yes
Mobile App ✓ Yes ✗ No
Browser Extension ✓ Yes ✓ Yes
Desktop App ✓ Yes ✗ No
Team Collaboration ✓ Yes ✓ Yes
SSO Support ✓ Yes —
GDPR Compliant ✓ Yes ✓ Yes
HIPAA Compliant ✓ Yes —
Open Source — —
AI Model Proprietary NLP & LLMs GPT-4 / Claude 3 / Custom
Model Provider Grammarly OpenAI / Anthropic / Writesonic
Context Window N/A N/A
Company Grammarly Inc. Writesonic, Inc.
HQ United States United States
Founded 2009 2020
Funding Stage Seed
Total Funding $400 million raised $2.6 million raised
Overall Rating 4.9 ★ (85000 reviews) 4.8 ★ (14500 reviews)

Our Verdict

Grammarly and Writesonic are both strong tools with different strengths. Based on 85000 user reviews, Grammarly has a higher rating of 4.9/5. Overall, Grammarly edges ahead in this comparison — but we recommend trying both using free trials before deciding.

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Choose based on your need
Mobile access Grammarly
Highest user rating Grammarly
Grammarly Quick Info
Pricing Freemium
Free Plan ✓ Yes
API ✓ Yes
Mobile App ✓ Yes
Rating 4.9 / 5
Visit Grammarly
Writesonic Quick Info
Pricing Freemium
Free Plan ✓ Yes
API ✓ Yes
Mobile App ✗ No
Rating 4.8 / 5
Visit Writesonic