RankTool.ai
Copy.ai logo

Copy.ai

GTM AI platform for sales and marketing copy

71 /100
Grammarly logo

Grammarly

AI writing assistant for clarity and tone

69 /100

Copy.ai vs Grammarly

Detailed side-by-side comparison of features, pricing, and performance

Our Expert Verdict

RankTool's data-driven recommendation based on scores, features, and pricing.

Winner
Copy.ai
by a narrow margin
71 /100
For most users, both Copy.ai and Grammarly are strong options. Copy.ai edges ahead overall, while Grammarly may be better for specific workflows. Use the category winners and feature matrix below to decide.
💰
Best Price
Copy.ai
🔒
Best Privacy
Grammarly
👥
Best for Teams
Grammarly
🧩
Best Ecosystem
Copy.ai

Overview

Complete side-by-side specs in one place.

Copy.ai logo
Copy.ai
Grammarly logo
Grammarly
RankScore™ 71 /100 69 /100
Category AI Writing & Content AI Writing & Content
Starting price $36/month $12/month
Free plan
API available
Open source
Self-hostable
Platforms Web, API, Cloud SaaS Web, iOS, Android
Target user team individual
Learning curve Beginner Beginner
Context window
Image generation
Languages supported ["English","Spanish","French","German","Portuguese","Italian"], ["English"], ["English","French"]
Launch year 2009
Company CopyAI, Inc. Superhuman Platform Inc.
Funding
Team size

Pricing Comparison

Plan-by-plan breakdown with what's included at each tier.

Free
Copy.ai logo
Copy.ai
Free
Free
  • AI writing tools: Included
  • Workflow templates: Included
  • Workflow Builder: Included
  • Customizable workflows: Included
  • Unlimited words in Chat
  • Unlimited Chat projects
  • Access to OpenAI, Anthropic, and Gemini models
  • Included seats: Not publicly specified
  • Workflow credits: Not publicly specified
  • API access and bulk workflow runs
  • 20+ tech integrations
  • Unlimited customizable workflows
  • Guided Jumpstart Implementation
  • Designated account and support team
  • Enterprise grade security protocols
Grammarly logo
Grammarly
Free
Free
  • Write without mistakes
  • See your writing tone
  • Adjust your writing tone
  • Rewrite full sentences
  • Write fluently in English
  • Use inclusive language
  • Keep your citations consistent
  • Detect AI generated text
  • Catch accidental plagiarism
  • Generate text with AI prompts: 100 prompts/month
  • Enterprise-grade privacy and security
  • Account roles and permissions
  • SAML single sign-on
  • Feature Management Hub
  • SCIM
  • Managed mode
  • Invite and domain capture
  • User groups
  • Custom roles
  • Application and domain controls
  • Client control
  • Confidential mode
  • Data loss prevention
  • Audit Logs API
  • Enterprise key management (BYOK)
  • Session timeout
  • Group-level security controls
  • Cost center visibility
  • ROI Report
  • Effective Communication Score
  • Style guide
  • Brand tones
  • Knowledge Share
  • Snippets
  • Analytics dashboard
  • Help center
  • Priority support
  • Dedicated support
Plus / Pro
Grammarly logo
Grammarly
Pro
$30/month
  • Write without mistakes
  • See your writing tone
  • Adjust your writing tone
  • Rewrite full sentences
  • Write fluently in English
  • Use inclusive language
  • Keep your citations consistent
  • Detect AI generated text
  • Catch accidental plagiarism
  • Generate text with AI prompts: 2,000 prompts/member/month
  • Enterprise-grade privacy and security
  • Account roles and permissions
  • SAML single sign-on
  • Feature Management Hub
  • SCIM
  • Managed mode
  • Invite and domain capture
  • User groups: 2
  • Custom roles
  • Application and domain controls
  • Client control
  • Confidential mode
  • Data loss prevention
  • Audit Logs API
  • Enterprise key management (BYOK)
  • Session timeout
  • Group-level security controls
  • Cost center visibility
  • ROI Report
  • Effective Communication Score
  • Style guide: 1
  • Brand tones: 1
  • Knowledge Share
  • Snippets
  • Analytics dashboard: Team Analytics
  • Help center
  • Priority support
  • Dedicated support
Enterprise
Copy.ai logo
Copy.ai
Enterprise
Custom
  • AI writing tools
  • Workflow templates
  • Workflow Builder
  • Customizable workflows: Unlimited customizable workflows
  • Unlimited words in Chat
  • Unlimited Chat projects
  • Access to OpenAI, Anthropic, and Gemini models
  • Included seats: Custom
  • Workflow credits: Custom
  • API access and bulk workflow runs: Included
  • 20+ tech integrations: 20+ tech integrations and API access
  • Unlimited customizable workflows: Unlimited
  • Guided Jumpstart Implementation: Included
  • Designated account and support team: Included
  • Enterprise grade security protocols: Included
Grammarly logo
Grammarly
Enterprise
Custom
  • Write without mistakes
  • See your writing tone
  • Adjust your writing tone
  • Rewrite full sentences
  • Write fluently in English
  • Use inclusive language
  • Keep your citations consistent
  • Detect AI generated text
  • Catch accidental plagiarism
  • Generate text with AI prompts: Unlimited prompts/member/month
  • Enterprise-grade privacy and security
  • Account roles and permissions
  • SAML single sign-on
  • Feature Management Hub
  • SCIM
  • Managed mode
  • Invite and domain capture
  • User groups: Unlimited
  • Custom roles
  • Application and domain controls
  • Client control
  • Confidential mode
  • Data loss prevention
  • Audit Logs API
  • Enterprise key management (BYOK)
  • Session timeout
  • Group-level security controls
  • Cost center visibility
  • ROI Report
  • Effective Communication Score
  • Style guide: Unlimited
  • Brand tones: Unlimited
  • Knowledge Share
  • Snippets
  • Analytics dashboard: Team and Individual Analytics
  • Help center
  • Priority support
  • Dedicated support
Monthly cost for a 5-person team
Copy.ai: $180/month Grammarly: $60/month

Feature Matrix

Grouped capabilities — see who has what at a glance.

AI Capabilities 2 features — Copy.ai: 1/2 · Grammarly: 1/2
Feature
Copy.ai
Grammarly
Sales emails
Generative AI
Integrations 1 features — Copy.ai: 1/1 · Grammarly: 0/1
Feature
Copy.ai
Grammarly
Integrations
Other 10 features — Copy.ai: 5/10 · Grammarly: 5/10
Feature
Copy.ai
Grammarly
Workflows
Grammar check
Chat
Tone detection
Brand voice
Plagiarism
Infobase
Browser extension
Blog wizard
Team style guide

Who Should Use What

Pick the tool that matches your workflow.

Copy.ai logo

Choose Copy.ai if you…

  • GTM AI platform for sales and marketing copy
  • Generate marketing copy, emails, and workflows for go-to-market teams.
Grammarly logo

Choose Grammarly if you…

  • AI writing assistant for clarity and tone
  • Real-time grammar, style, and tone suggestions across apps and browsers.

Ratings Breakdown

All 8 RankScore dimensions compared side-by-side.

Copy.ai
Grammarly
70 95 90 50 50 50 84 50 60 91 90 50 50 50 76 85 Feature Complete... Pricing Value Ease of Use Output Quality User Reviews Popularity Freshness Privacy & Securi...

Decision scores

Five-dimension breakdown from expert reviews and verified user ratings (1–10 scale).

Copy.ai

Decision score

Expert + user ratings blended per dimension (1–10 scale)

5.0
Overall / 5★ search score
Privacy/Security 5.0

Grammarly

Decision score

Expert + user ratings blended per dimension (1–10 scale)

8.5
Overall / 5★ search score
Privacy/Security 8.5

User Reviews

What real users say — averages and standout feedback.

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