Comparator

Compare the best AI tools

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

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Writing & SEO22 tools available
Google Gemini
Google Gemini

Google's multimodal AI assistant integrated into the entire Google ecosystem

Google Gemini is Google's AI assistant, natively multimodal and deeply integrated into the Google ecosystem (Gmail, Docs, Drive, Search, Android). With models ranging from Flash (fast) to Ultra (powerful), it excels at technical tasks like code and math. Available for free with Advanced option for power users.

Strengths

  • Native Google Workspace integration
  • Native multimodality (text/image/audio/video)
  • Massive context up to 2M tokens
  • Excellent at code and math

Limitations

  • Less conversational than ChatGPT
  • Dependency on Google ecosystem
  • Some models in beta/experimental
  • Very expensive AI Ultra ($250/month)

Pricing plans

  • Gemini 2.5 Flash
  • Gemini 2.5 Pro (limité)
  • Recherche web
  • Upload images
  • Applications mobiles
  • Gemini 2.5 Pro illimité
  • Gemini 3 Pro
  • Deep Research
  • NotebookLM Plus
  • 2TB stockage Google
  • Gems personnalisés
  • Upload fichiers étendus
  • Tout AI Pro inclus
  • Gemini 3 Deep Think
  • Labs expérimentaux
  • Génération vidéo pro
  • Contexte étendu maximum
  • Support prioritaire
  • Intégration Google Workspace
  • Duet AI pour entreprises
  • Admin centralisé
  • Sécurité entreprise
  • Support dédié
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

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General overview

Criterion
Google Gemini
Grammarly
AI typeAI NativeAI Native
Country of origin🇺🇸 United States🇺🇸 United States
Year founded20232009
Supported languages40+ languages6 languages
Free plan
Yes
Yes
API available
Mobile app

Detailed comparison

FeatureGoogle GeminiGrammarly
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
Browser Extension
Available
Not available
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