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
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
Perplexity AI
Perplexity AI

AI search engine with real-time sourced answers

Perplexity AI is an AI answer engine that combines real-time web search with advanced language models (GPT-4o, Claude, Sonar) to deliver direct, sourced answers. A smart alternative to Google, it offers Deep Research for comprehensive reports, multimodal analysis (PDF, images, audio, video), and collaborative Spaces. Available as a generous free plan or Pro at $20/month with unlimited advanced models.

Strengths

  • Sourced answers with verifiable inline citations
  • Access to multiple frontier AI models (GPT-4o, Claude, Sonar)
  • Real-time web search, no stale data
  • Deep Research for comprehensive research reports

Limitations

  • Limited Pro searches on free plan (5/day)
  • Less effective for very local queries
  • High Enterprise pricing for large teams
  • Dependent on available web sources

Pricing plans

  • Recherches basiques illimitées
  • 5 recherches Pro par jour
  • Modèle Sonar standard
  • Citations sources vérifiables
  • Historique des conversations
  • Applications mobiles iOS/Android
  • Recherches Pro illimitées
  • Modèles avancés : GPT-4o, Claude, Sonar Pro
  • 10x plus de citations par réponse
  • Accès étendu à Deep Research
  • Accès étendu à Perplexity Labs
  • Génération d'images étendue
  • Upload de fichiers illimité
  • Analyse PDF, images, audio, vidéo
  • Toutes fonctionnalités Pro
  • Spaces collaboratifs privés
  • Réponses depuis fichiers et apps internes
  • 2x upload de fichiers
  • SSO / SCIM provisioning
  • Gestion utilisateurs et permissions
  • Rétention configurable et audit logs (50+ sièges)
  • Pas d'entraînement sur vos données
  • Conformité SOC 2 Type II
  • Toutes fonctionnalités Enterprise Pro
  • Requêtes Labs illimitées
  • Accès aux modèles IA avancés
  • Limites d'upload supérieures
  • Génération vidéo avancée
  • Assistant Comet Max
  • Perplexity Computer (orchestration multi-modèles)
  • Rétention configurable et audit logs (sans minimum)
  • Conformité SOC 2 Type II

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General overview

Criterion
Grammarly
Perplexity AI
AI typeAI NativeAI Native
Country of origin🇺🇸 United States🇺🇸 United States
Year founded20092022
Supported languages6 languages40+ languages
Free plan
Yes
Yes
API available
Mobile app

Detailed comparison

FeatureGrammarlyPerplexity 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
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