What is the difference between Grammarly and ChatGPT?

Grammarly focuses on Grammar and spell check and is freemium, while ChatGPT specializes in Conversational AI and is freemium. Both are AI Writing tools.

Is Grammarly or ChatGPT better?

It depends on your needs. Grammarly excels at Works across all platforms, while ChatGPT is known for Extremely versatile. Compare their features above to decide which fits your workflow.

Grammarly vs ChatGPT

AI Writing tools comparison · Updated 2026

Choosing between Grammarly and ChatGPT? Both are popular AI Writing tools. Grammarly starts at Freemium and focuses on Grammar and spell check. ChatGPT starts at Freemium and specializes in Conversational AI. Here's a detailed side-by-side comparison to help you decide.

At a Glance

	Grammarly	ChatGPT
Category	AI Writing	AI Writing
Pricing	freemium	freemium
Starting Price	Freemium	Freemium
Best For	grammar, writing-assistant, proofreading	chatbot, writing, coding
Features	6 listed	7 listed

Grammarly

AI writing assistant for grammar, clarity, tone, and style improvements.

AI Writing freemium

Visit Grammarly → Alternatives

ChatGPT

OpenAI's conversational AI assistant for writing, coding, analysis, and creative tasks.

AI Writing freemium

Visit ChatGPT → Alternatives

Feature Comparison

Grammarly	ChatGPT
✓ Grammar and spell check	✓ Conversational AI
✓ Tone detection	✓ Code generation
✓ Plagiarism checker	✓ Document analysis
✓ Style suggestions	✓ Image generation via DALL-E
✓ Browser extension	✓ Web browsing
✓ Generative AI writing	✓ Plugin ecosystem
—	✓ Custom GPTs

Pricing Comparison

Grammarly

freemium

Free basic grammar checking. Premium $12/mo. Business $15/member/mo.

ChatGPT

freemium

Free tier with GPT-3.5. Plus plan at $20/mo for GPT-4, DALL-E, and priority access.

Pros & Cons

Grammarly

Pros

+ Works across all platforms
+ Excellent grammar detection
+ Intuitive interface
+ Real-time suggestions

Cons

− Premium is expensive for individuals
− Occasional false positives
− Limited free tier features

ChatGPT

Pros

+ Extremely versatile
+ Constantly improving
+ Huge plugin ecosystem
+ Great for coding

Cons

− Can hallucinate facts
− Free tier limited to GPT-3.5
− No real-time data on free plan

The Verdict

Both Grammarly and ChatGPT are strong AI Writing tools. Grammarly stands out for Works across all platforms, making it ideal if that's your priority. ChatGPT excels at Extremely versatile, which may be more important for your workflow.