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Grammarly

Tool A

Grammarly

Advanced AI writing and editing assistant

4.6
freemiumbeginnerVerified
Feature Score7/22
Grammarly interface screenshot
ChatGPT

Tool B

ChatGPT

The world's most popular AI assistant

4.8
freemiumbeginnerFeaturedTrendingVerified
Feature Score14/22
ChatGPT interface screenshot

Choose this if…

Grammarly

Grammarly
  • 1You need Browser Extension

Choose this if…

ChatGPT

ChatGPT
  • 1You need Multimodal
  • 2You need Voice Input
  • 3You need Image Input
  • 4Community rates it higher (⭐4.8 vs 4.6)

Overview

GrammarlyGrammarlySince 2009-07

A comprehensive writing tool that checks for grammar, tone, and clarity. Its AI features can rewrite sentences and suggest stylistic improvements.

Recently integrated 'GrammarlyGO' for generative text tasks and summarization.

Platforms
ExtensionDesktopiOSAndroid
Best For
StudentsIndividualsTeams
Categories
Text AI
ChatGPTChatGPTSince 2022-11

An advanced AI chatbot that helps with writing, coding, research, and problem-solving with human-like conversation.

Built by OpenAI. Features GPT-4o capabilities, multimodal inputs, image generation, and custom GPT agents.

Platforms
WebiOSAndroidAPI
Best For
IndividualsTeamsEnterpriseDevelopersStudentsCreators
Categories
Text AICode AIResearch AIImage AI

Features Comparison

22 total
GrammarlyGrammarly
Feature
ChatGPTChatGPT
Core AI Capabilities
Free Tier
Free Tier
Free Tier
Multimodal
Multimodal
Multimodal
Voice Input
Voice Input
Voice Input
Image Input
Image Input
Image Input
Image Output
Image Output
Image Output
Video Input
Video Input
Video Input
Video Output
Video Output
Video Output
Audio Output
Audio Output
Audio Output
Web Search
Web Search
Web Search
Code Execution
Code Execution
Code Execution
Memory
Memory
Memory
Developer & API
API Access
API Access
API Access
Open Source
Open Source
Open Source
Works Offline
Works Offline
Works Offline
Plugins
Plugins
Plugins
Self-Hostable
Self-Hostable
Self-Hostable
Browser Extension
Browser Extension
Browser Extension
Productivity & Teams
No Signup Required
No Signup Required
No Signup Required
Customizable
Customizable
Customizable
File Upload
File Upload
File Upload
Collaboration
Collaboration
Collaboration
White Label
White Label
White Label

Pricing & Plans

GrammarlyGrammarlyfreemium
Free TierActive

Basic grammar and spelling

Paid Plan

Premium $12/mo, Business $15/mo

Get Started
ChatGPTChatGPTfreemium
Free TierActive

Free tier with GPT-4o mini

Paid Plan

Plus $20/mo, Pro $200/mo

Get Started

Pros & Cons

GrammarlyGrammarly

Pros

Works everywhere

Effective tone adjustment

Solid plagiarism checker

Cons

Premium is expensive

Some rewrites lose meaning

ChatGPTChatGPT

Pros

Largest model ecosystem

Best plugin and tool integrations

Supports images

files

and voice

Cons

Expensive Pro tier

Can hallucinate on niche topics

Use Cases

GrammarlyGrammarly
writingsummarizationproductivity
ChatGPTChatGPT
writingcodingresearchsummarizationchatimage generation

The Verdict

Grammarly

Grammarly

7/22 features · ⭐4.6

A comprehensive writing tool that checks for grammar, tone, and clarity. Its AI features can rewrite sentences and suggest stylistic improvements.

ChatGPT

ChatGPT

14/22 features · ⭐4.8

An advanced AI chatbot that helps with writing, coding, research, and problem-solving with human-like conversation.

Both Grammarly and ChatGPT are capable AI tools serving distinct use cases. ChatGPT leads on raw feature breadth (14 vs 7), making it a stronger choice if you need maximum capability.

Frequently Asked Questions

What is the main difference between Grammarly and ChatGPT?

Grammarly — "Advanced AI writing and editing assistant" — focuses on text-ai, while ChatGPT — "The world's most popular AI assistant" — targets text-ai, code-ai, research-ai, image-ai. The key differences lie in their feature sets and pricing models.

Is Grammarly free to use?

Yes, Grammarly offers a free tier. Basic grammar and spelling

Is ChatGPT free to use?

Yes, ChatGPT offers a free tier. Free tier with GPT-4o mini

Which is better: Grammarly or ChatGPT?

It depends on your use case. Grammarly is rated ⭐4.6 and is best suited for students, individuals, teams. ChatGPT is rated ⭐4.8 and is ideal for individuals, teams, enterprise, developers, students, creators. Use this comparison to evaluate features that matter to your workflow.

Does Grammarly have an API?

Yes, Grammarly provides API access for developers and integrations.

More AI Matchups

Still deciding?

Try another comparison or explore the full AI tools directory.