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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
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
Opinly AI
Opinly AI

AI-powered automated competitive intelligence platform

Opinly AI is a market intelligence platform that automates real-time competitive monitoring using AI, analyzing competitors' pricing, features, customer reviews, and SEO.

Strengths

  • Generates insights in under 4 minutes via AI automation
  • Real-time monitoring of competitors' pricing, features, and SEO
  • Instant OpinAlert Engine alerts (Slack, email)
  • Customer review sentiment analysis via NLP

Limitations

  • Premium pricing ($99-399/month) beyond SME budget
  • Interface only in English
  • Founded late 2023, less mature than established competitors
  • No freemium plan for limited use

Pricing plans

  • Tout du plan Starter
  • Analytics et insights avancés
  • Résumés performance mensuels
  • Jusqu'à 10 concurrents
  • Tableaux de bord personnalisables
  • Outils analyse concurrent de base
  • Mises à jour données temps réel
  • Rapports hebdomadaires
  • Jusqu'à 5 concurrents
  • Tout du plan Personal
  • Outils collaboration équipe
  • Support client prioritaire
  • Jusqu'à 20 concurrents
  • Intégrations CMS
  • API access
  • Toutes les fonctionnalités Business
  • Gestion multi-clients
  • Tableau de bord agence
  • White-label (potentiel)
  • Support dédié
  • Analyses personnalisées par industrie

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General overview

Criterion
Grammarly
Opinly AI
AI typeAI NativeAI Enhanced
Country of origin🇺🇸 United States🇺🇸 United States
Year founded20092023
Supported languages6 languages1 language
Free plan
Yes
No
API available

Detailed comparison

FeatureGrammarlyOpinly AI
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
Best

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