AI Tools · head to head
Copy.ai vs Grammarly
The short version
- Only Grammarly has a free tier, so it costs nothing to try first.
- Each has a real cost: Copy.ai chat plan limited to 5 seats; must upgrade to Growth plan ($1,000/month) for teams of 10+; Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors
- They diverge on capability: Copy.ai covers AI copywriting, Grammarly covers Grammar checking.
Where they differ
Only the attributes on which Copy.ai and Grammarly actually diverge.
Identical on both: pricing model (Unknown), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Copy.ai
- AI copywriting
- 90+ templates
- Multi-language
- Bulk generation
- Zapier
- API access
- Web support
- Api support
Only in Grammarly
- Grammar checking
- Spelling correction
- Punctuation
- Clarity suggestions
- Engagement feedback
- Delivery insights
- Plagiarism checker
- Citation generator
What people use each for
The jobs each tool is most often brought in to do.
Copy.ai
- AI-powered copywriting and content generation for marketing and salesnot Grammarly
- Go-to-market automation with AI workflows and copy agentsnot Grammarly
Grammarly
- Email writingnot Copy.ai
- Document editingnot Copy.ai
- Academic writingnot Copy.ai
- Business communicationnot Copy.ai
- Content creationnot Copy.ai
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Copy.ai
- Chat plan limited to 5 seats; must upgrade to Growth plan ($1,000/month) for teams of 10+
- Workflow credits limited to 20K per month on Growth plan; higher usage requires upgrading to Expansion ($2,000/month) or above
Grammarly
- Occasional false positives and grammatically incorrect suggestions that can introduce errors
- Privacy concerns about sending text to Grammarly's servers for analysis
- AI capabilities sometimes produce hallucinations and fabricated citations that appear grammatically correct
Pricing, plan by plan
Copy.ai
$29/monthNo published plan breakdown. See the Copy.ai review.
Grammarly
Free- FreeFree
- Basic grammar and spelling checks
- Tone visibility
- 100 AI prompts per month
- Pro$12/month
- Sentence rewrites
- Tone adjustment
- Plagiarism and AI detection
Which should you pick?
Choose Grammarly if
- You need grammar checking.
- You want to start without paying.
- You work on Web, macOS, Windows, iOS, Android.
- You also want spelling correction.
Questions people ask
- Is Copy.ai or Grammarly better?
- Neither clearly leads. Copy.ai starts at $29/month and Grammarly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Copy.ai or Grammarly?
- Grammarly has a free tier; the other does not. Paid plans start at $29/month for Copy.ai and Free for Grammarly.
- Does Copy.ai or Grammarly run on more platforms?
- Copy.ai runs on Web. Grammarly runs on Web, macOS, Windows, iOS, Android.
- Can I use Grammarly for free?
- Yes. Grammarly has a free tier, so you can try it without paying. Copy.ai starts at $29/month.
- What is Copy.ai best used for?
- Copy.ai is most often used for ai-powered copywriting and content generation for marketing and sales, go-to-market automation with ai workflows and copy agents. Of those, ai-powered copywriting and content generation for marketing and sales and go-to-market automation with ai workflows and copy agents are not what Grammarly is typically brought in for.
- What can Copy.ai do that Grammarly cannot?
- Copy.ai covers AI copywriting, 90+ templates, Multi-language, Bulk generation. Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions.
Answered from the vendors’ own pages
Grammarly: Does Grammarly have a free version?
Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.
SourceGrammarly: What platforms does Grammarly work with?
Grammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.
SourceGrammarly: Can I use Grammarly offline?
Grammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.
SourceGrammarly: What is included in the Enterprise plan?
The Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.
SourceRelated pages
Other head to heads
- Copy.ai vs Pika
- Copy.ai vs Anthropic API
- Copy.ai vs D-ID
- Copy.ai vs Fathom
- Copy.ai vs Stable Diffusion
- Copy.ai vs AI21 Labs
- Copy.ai vs ChatGPT
- Copy.ai vs HeyGen
- Copy.ai vs Jasper
- Copy.ai vs Leonardo AI
- Copy.ai vs Murf
- Copy.ai vs Perplexity
- Copy.ai vs Pi
- Copy.ai vs Play.ht
- Copy.ai vs Replicate
- Copy.ai vs Replika
- Copy.ai vs Rytr
- Copy.ai vs Together AI
- Copy.ai vs Notion Web Clipper
- Copy.ai vs Logseq
- Copy.ai vs Confluence
- Copy.ai vs Notion AI
- Grammarly vs Pika
- Grammarly vs Anthropic API
- Grammarly vs D-ID
- Grammarly vs Fathom
- Grammarly vs Stable Diffusion
- Grammarly vs AI21 Labs
- Grammarly vs ChatGPT
- Grammarly vs HeyGen
- Grammarly vs Jasper
- Grammarly vs Leonardo AI
- Grammarly vs Murf
- Grammarly vs Perplexity
- Grammarly vs Pi
- Grammarly vs Play.ht
- Grammarly vs Replicate
- Grammarly vs Replika
- Grammarly vs Rytr
- Grammarly vs Together AI
- Grammarly vs Notion Web Clipper
- Grammarly vs Logseq
- Grammarly vs Confluence
- Grammarly vs Notion AI