Comparator

Copy.ai vs Grammarly vs Scalenut: Complete Comparison 2026

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

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Writing & SEO18 tools available
Copy.ai
Copy.ai

AI writing platform for marketing and sales teams

Copy.ai is an AI-powered platform that automates marketing content creation. With 90+ templates and a powerful workflow builder, it generates emails, blog posts, social media content, and product descriptions in seconds. Perfect for marketing teams looking to scale their content production.

Strengths

  • 90+ templates for all types of marketing content
  • Powerful Workflow Builder for scaling production
  • Multi-model AI support (GPT-4, Claude, Gemini)
  • Brand Voice to maintain tone consistency

Limitations

  • High pricing for small businesses (starting at $29/month)
  • Growth/Scale plans for large teams only ($1000+/month)
  • Learning curve to master the Workflow Builder
  • Variable quality depending on content types

Pricing plans

  • 5 sièges inclus
  • Mots illimités dans le chat
  • Projets de chat illimités
  • Accès aux modèles OpenAI, Anthropic et Gemini
  • Templates de base
  • 75 sièges inclus
  • Mots illimités dans le chat
  • 20K crédits workflow/mois
  • Workflow Builder
  • Brand Voice
  • Infobase
  • Intégrations avancées
  • 150 sièges inclus
  • Mots illimités dans le chat
  • 45K crédits workflow/mois
  • Toutes les fonctionnalités Growth
  • Support prioritaire
  • 200 sièges inclus
  • Mots illimités dans le chat
  • 75K crédits workflow/mois
  • Toutes les fonctionnalités Expansion
  • Account manager dédié
  • Sièges illimités
  • Implémentation guidée
  • Accès API et exécutions bulk
  • 20+ intégrations tech
  • Workflows personnalisables illimités
  • Équipe compte et support dédiée
  • Protocoles de sécurité enterprise
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
Scalenut
Scalenut

AI-powered SEO writing and optimization platform

Scalenut is an all-in-one AI platform combining content writing, keyword research and SEO optimization to boost organic visibility.

Strengths

  • Cruise Mode for ultra-fast writing (< 5 minutes)
  • Advanced NLP semantic term analysis
  • 40+ content templates
  • Built-in content audit

Limitations

  • English-only interface
  • Variable backlinks marketplace quality
  • Less known than Surfer or Semrush
  • Limited support on Starter plan

Pricing plans

  • 10 prompt tracking/sem
  • ChatGPT & Google AIO
  • 1 workspace
  • 5 articles GEO/mois
  • 5 optimisations/mois
  • Planificateur mots-clés basique
  • 25 prompt tracking
  • 2 workspaces
  • 30 articles GEO/mois
  • 30 optimisations/mois
  • Audit contenu 200 pages/mois
  • 4 membres équipe
  • Backlinks marketplace
  • Analyseur trafic
  • Liens internes
  • 100 prompt tracking
  • ChatGPT, Google AIO & Perplexity
  • Workspaces illimités
  • 75 articles GEO/mois
  • 75 optimisations/mois
  • Audit 1000 pages/mois
  • Membres illimités
  • Planificateur avancé
  • Analyse cannibalisation
  • CSM dédié

General overview

Criterion
Copy.ai
Grammarly
Scalenut
AI typeAI NativeAI NativeAI Enhanced
Country of origin🇺🇸 United States🇺🇸 United States🇮🇳 India
Year founded202020092020
Supported languages25+ languages6 languages7 languages
Free plan
Yes
Yes
No
API available

Detailed comparison

FeatureCopy.aiGrammarlyScalenut
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
-1 words/month
Browser Extension
Available
Not available
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