Microsoft 365 Copilot vs Grammarly
Side-by-side comparison of pricing, features, and capabilities — 2026.
VS
Quick Verdict
Best pricing
Grammarly
Grammarly is freemium
Feature Comparison
FeatureMicrosoft 365 CopilotGrammarly
Pricing
Paid
Freemium
Free Plan
Verified
Featured
Categories
Automation, Productivity, Writing
Writing
Key Features Comparison
FeatureMicrosoft 365 CopilotGrammarly
AI in Word, Excel, PowerPoint, Outlook, Teams
Meeting transcription and summaries
Excel data analysis with natural language
PowerPoint design suggestions
Email drafting in Outlook
Microsoft Graph data grounding
Grammar, spelling, and punctuation correction
GrammarlyGO AI text generation
Tone and clarity improvement
Plagiarism detection
Works in 500,000+ apps
Team style guide enforcement
Use Cases Comparison
Use CaseMicrosoft 365 CopilotGrammarly
Drafting Word documents with AI
Analyzing Excel data naturally
Creating PowerPoint presentations
Managing email workload in Outlook
Meeting summaries in Teams
Improving all business writing
Polishing emails before sending
Checking academic papers
Maintaining brand writing standards
Non-native English writing support
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Microsoft 365 Copilot vs Grammarly: Which Should You Choose?
Microsoft 365 Copilot is a paid tool (verified by our team). AI assistant built into Word, Excel, PowerPoint, Teams and Outlook
Grammarly is a freemium tool (verified by our team). AI writing assistant for grammar and clarity
The right choice depends on your budget and specific needs. Both are listed in Nextool.ai's curated directory. See all Microsoft 365 Copilot alternatives or See all Grammarly alternatives.