Aller au contenu principal
Grammarly vs Writesonic: Which is Better? Comparison 2026 | Comparateur IA Facile
  • Free AI
  • French AI

Search

Search for an AI tool, category, or article

Search

Search for an AI tool, category, or article

Search

Search for an AI tool, category, or article

🇫🇷Made in France

Proudly French

A 100% French team, local partners, and a commitment to the French tech ecosystem. We are proud to contribute to the French Tech.

La French Tech - Grande Provence Région SudLa French Tech - Grande Provence Région Sud
Grande Provence • Région Sud

Categories

  • Writing & SEO
  • Image & Design
  • Video
  • Voice & Audio
  • Email & Marketing
  • Chatbot & Assistant
  • Business & Productivity
  • Code & Automation
  • Code & Development
  • E-commerce
  • Marketing
  • Customer Service

Resources

  • Blog
  • Comparisons
  • All tools

Company

  • About
  • Contact

Legal

  • Legal notice
  • Privacy policy
  • Terms of use

© 2026 Comparateur IA Facile. All rights reserved.

  1. Home
  2. Comparator

Comparator

Compare the best AI tools

Select a category, then compare up to 3 tools side by side. Analyze features, pricing, and performance.

1
Choose a category
2
Select the tools
Writing & SEO100%Highly comparable21 tools available
Grammarly
Grammarly

AI writing assistant for flawless writing

Grammarly is the world's #1 AI writing assistant. Grammar correction, style suggestions, plagiarism detection, and GrammarlyGO generative AI. Used by 40M+ people.

Strengths

  • Accurate real-time grammar correction
  • GrammarlyGO for AI content generation
  • Extensions for all browsers
  • Tone detection and style suggestions

Limitations

  • Only available in English
  • Advanced features are paid
  • Plagiarism detector limited to Premium
  • Can be intrusive for some users

Pricing plans

  • Basic grammar and spelling
  • Tone detection
  • Basic punctuation
  • Limited suggestions
  • All Free features
  • Full sentence rewrites
  • Word choice improvements
  • Tone adjustments
  • Plagiarism detector
  • Fluency suggestions
  • Formatting recommendations
  • GrammarlyGO AI writing
  • All Premium features
  • Custom Brand Voice
  • Team style guides
  • Admin dashboard
  • Writing analytics
  • Priority support
  • SSO & SCIM provisioning
  • Account roles and permissions
  • All Business features
  • Dedicated account manager
  • Custom contracts
  • Advanced security controls
  • SAML SSO
  • Custom analytics & reporting
  • Professional services
Writesonic
Writesonic

Complete AI platform for SEO and content writing

Writesonic is an AI writing and SEO platform that generates optimized articles, analyzes SERPs, and automates SEO tasks. Ahrefs and Google Search Console integration. Ideal for marketers and agencies.

Strengths

  • AI SEO Agent that automates keyword research and audits
  • Generative Engine Optimization (GEO) for AI visibility
  • Ahrefs and Google Search Console integration
  • Optimized articles with automatic fact-checking

Limitations

  • High pricing for small businesses (starting at $49/month)
  • Learning curve to leverage all features
  • Some advanced features reserved for higher plans
  • Dependency on third-party integrations (Ahrefs paid separately)

Pricing plans

  • Accès limité aux fonctionnalités
  • GPT-4o mini et Claude Haiku
  • Test des outils de base
  • 15 articles/mois
  • 6 audits de site (200 pages)
  • 1 utilisateur
  • 1 projet
  • Support email
  • 30 articles/mois
  • 15 audits de site (750 pages)
  • 1 utilisateur (+40$/utilisateur)
  • 2 projets
  • Support email
  • 100 articles/mois
  • 40 audits de site (1200 pages)
  • 2 utilisateurs (+50$/utilisateur)
  • 3 projets
  • AI Search Tracking (GEO)
  • 300 requêtes/jour
  • Support prioritaire
  • 75 articles/mois
  • 60 audits de site (2500 pages)
  • 5 utilisateurs (+60$/utilisateur)
  • 4 projets
  • AI Search Tracking (GEO)
  • 300 requêtes/jour
  • Support Slack prioritaire
  • 200 articles/mois
  • Audits personnalisés
  • Utilisateurs illimités
  • Projets illimités
  • GEO multi-régions
  • Modèles IA personnalisés
  • Onboarding dédié
  • Account manager

Add a 3rd (⌘K)

General overview

Criterion
Grammarly
Writesonic
AI typeAI NativeAI Native
Country of origin🇺🇸 United States🇺🇸 United States
Year founded20092020
Supported languages6 languages25 languages
Free plan
Yes
Yes
API available

Detailed comparison

FeatureGrammarlyWritesonic
Brand Voice
Unlimited words
Marketing templates
Campaign orchestration
Knowledge base
AI Writing
SEO Optimization
Plagiarism detection
Tone adjustment
Multilingual Writing
Content templates
Keyword research
SERP analysis
Word Limit
50000 words/month
Browser Extension
Available
Not available
Best

Was this comparison useful?

FAQ

Questions about comparison

Everything you need to know to effectively compare AI tools.