What is the difference between Grammarly and Copy.ai?

Grammarly is best for Anyone wanting AI-powered writing improvement, while Copy.ai is best for Marketing teams wanting AI-generated copy at scale. Grammarly starts at Free and Copy.ai starts at Free.

Is Grammarly or Copy.ai cheaper?

Grammarly starts at Free with a free tier. Copy.ai starts at Free with a free tier.

Is there a free alternative to Copy.ai?

Both Grammarly and Copy.ai offer free tiers.

Grammarly vs Copy.ai (2026)

At a glance

	Grammarly	Copy.ai
Best for	Anyone wanting AI-powered writing improvement	Marketing teams wanting AI-generated copy at scale
Starting price	Free	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
Brand Voice	—	✓
Clarity	✓	—
Grammar	✓	—
Marketing Copy	—	✓
Plagiarism	✓	—
Templates	—	✓
Tone	✓	—
Workflows	—	✓

Grammarly

Strengths

Includes Grammar as a core feature, purpose-built for ai writing workflows
Includes Clarity as a core feature, purpose-built for ai writing workflows
Free basic grammar checks — generous enough for most small teams to get real work done
Established product with 17+ years on the market and a mature ecosystem

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Ecosystem of third-party integrations is smaller than the market leaders in ai writing
Mobile experience lags behind the desktop version in features and polish

Try Grammarly → Full review

Copy.ai

Strengths

Includes Marketing Copy as a core feature, purpose-built for ai writing workflows
Huge template library covers social media, presentations, marketing materials, and more
Free for 2K words/mo — generous enough for most small teams to get real work done
Includes workflows alongside the core feature set — fewer separate tools needed

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Ecosystem of third-party integrations is smaller than the market leaders in ai writing
Limited team/admin features if your organization eventually scales up

Try Copy.ai → Full review

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. Grammarly's free plan: Free basic grammar checks. Copy.ai's free plan: Free for 2K words/mo.

Feature gaps: Grammarly offers Clarity, Grammar and Plagiarism that Copy.ai lacks. Copy.ai brings Brand Voice, Marketing Copy and Templates that Grammarly does not have.

Team fit: Grammarly is geared toward any size teams, while Copy.ai is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: Grammarly's biggest strengths are: includes grammar as a core feature, purpose-built for ai writing workflows. includes clarity as a core feature, purpose-built for ai writing workflows. Copy.ai's biggest strengths are: includes marketing copy as a core feature, purpose-built for ai writing workflows. huge template library covers social media, presentations, marketing materials, and more.

Watch out for: With Grammarly, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Copy.ai, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Grammarly if...

You need a tool built for anyone wanting ai-powered writing improvement
You specifically need Clarity and Grammar
You care about includes clarity as a core feature, purpose-built for ai writing workflows
Your team size fits the any size profile Grammarly is designed for
The free tier works for you: free basic grammar checks

Choose Copy.ai if...

You need a tool built for marketing teams wanting ai-generated copy at scale
You specifically need Brand Voice and Marketing Copy
You care about huge template library covers social media, presentations, marketing materials, and more
Your team size fits the small teams profile Copy.ai is designed for
The free tier works for you: free for 2k words/mo