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AI · head to head

Copy.ai vs Grammarly

Copy.ai logo

Copy.ai

AI

AI-powered copywriting made easy

From
$29/month
Rated
-
Full reviewWebsite
Grammarly logo

Grammarly

Documentation

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite

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 (lowest tier) available monthly, but Growth/Expansion/Scale plans require annual billing with no monthly option; 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.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Copy.ai and Grammarly actually diverge.

Attributes where Copy.ai and Grammarly differ
AttributeCopy.aiGrammarly
Starting price$29/monthFree
Pricing modelusage-basedUnknown
Free tierNoYes
PlatformsWebWeb, macOS, Windows, iOS, Android
CategoryAIDocumentation
Founded20202009

Identical on both: 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 (lowest tier) available monthly, but Growth/Expansion/Scale plans require annual billing with no monthly option
  • Workflow credits system complexity requires calculating credit consumption based on workflow complexity; rates not published

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/month
  • Chat$29/month
    • 5 seats
    • Unlimited words in chat
    • Unlimited chat projects
  • Growth$1000/month
    • 75 seats
    • Unlimited words in chat
    • 20,000 workflow credits per month
  • Expansion$2000/month
    • 150 seats
    • Unlimited words in chat
    • 45,000 workflow credits per month
  • Scale$3000/month
    • 200 seats
    • Unlimited words in chat
    • 75,000 workflow credits per month

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 Copy.ai if

  • You need ai copywriting.
  • You also want 90+ templates.
Copy.ai review

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.
Grammarly review

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

Copy.ai: How much does Copy.ai cost?

Copy.ai offers a Chat plan starting at $29/month with 5 seats and unlimited chat words. Growth ($1,000/month), Expansion ($2,000/month), and Scale ($3,000/month) plans require annual billing and include workflow credits. Enterprise custom pricing is available.

Source
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.

Source
Copy.ai: What is included in Copy.ai's Chat plan?

The Chat plan at $29/month ($24/month annual) includes 5 seats, unlimited words in chat, unlimited chat projects, and access to OpenAI, Anthropic, and Gemini language models.

Source
Grammarly: 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.

Source
Copy.ai: How do Copy.ai workflow credits work?

Copy.ai uses a credit-based system where workflow complexity determines credit consumption. Growth plan includes 20,000 credits/month, Expansion includes 45,000 credits/month, and Scale includes 75,000 credits/month. Additional credits can be purchased as organizational needs expand.

Source
Grammarly: 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.

Source
Grammarly: 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.

Source
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