Copy.ai vs Grammarly

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 23 September 2026.

Compared on	Copy.ai From $24/mo Visit Remove	Grammarly Free plan · from $12/member/mo Visit Remove
What it is	AI platform for sales and marketing teams to automate go-to-market work	AI writing assistant for grammar, tone, rewrites and text generation
Free plan	No	Spelling, grammar and tone feedback, plus 100 AI prompts (the plans page does not state a period for the free prompts).
Cheapest paid plan	$24/mo billed annually (Chat)Copy.ai pricing	$12/member/mo billed annually (Pro)Grammarly pricing
What it covers	Includes 5 seats and unlimited words in Chat; billed $288/yr on annual billing.	$144 per member per year on annual billing; quarterly option $60 per member every three months; 2,000 AI prompts per member per month.
Free trial	None stated	7-day free trial of Pro
Platforms	Web	Windows, macOS, Chrome extension, iOS, Android
Integrations (vendor's figure)	2,000+ integrations	Not stated
Open source	No	No
Good for	Researching target accounts and drafting personalized outreach Turning a content brief into blog, email and social drafts Enriching CRM records and routing inbound leads	Proofreading emails and documents before sending Adjusting the tone of client messages Checking reports for plagiarism before publishing
Watch out for	No free plan is listed on the pricing page The Chat plan does not include workflow credits; they start with the Growth plan at $1,000/month Workflow credits are capped each month: 20K on Growth, 45K on Expansion and 75K on Scale	Free plan includes 100 AI prompts; Pro allows 2,000 per member per month Plagiarism and AI-text detection require Pro Unlimited prompts, BYOK encryption and custom roles are Enterprise-only
Made by	CopyAI, Inc. (acquired by Fullcast)	Superhuman Platform (company formerly named Grammarly)

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

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