Microsoft Copilot vs GrammarlyGO (2026)
A head-to-head comparison to help you pick the right tool
Last updated: May 13, 2026
Microsoft Copilot
Microsoft Copilot is Microsoft's AI assistant powered by GPT-4, integrated into Windows, Edge, and Microsoft 365.
GrammarlyGO
GrammarlyGO is Grammarly's generative AI writing assistant that helps compose, rewrite and ideate directly in your existing workflow.
Pros
- ✓Free access to GPT-4
- ✓Deep Microsoft 365 integration
- ✓Built into Windows and Edge
- ✓Image generation with DALL-E
Cons
- ✗Less capable outside Microsoft ecosystem
- ✗Privacy concerns for some users
- ✗Features vary by platform
Pros
- ✓Works everywhere Grammarly works
- ✓Great for improving existing writing
- ✓Tone detection
- ✓Trusted brand
Cons
- ✗Requires Grammarly subscription
- ✗Less powerful for long-form creation
- ✗Better at editing than generating
Microsoft Copilot vs GrammarlyGO: Side by Side
| Factor | Microsoft Copilot | GrammarlyGO |
|---|---|---|
| User Rating | N/A | N/A |
| Category | AI Chatbots | AI Writing Tools |
| Pricing Model | Free, Microsoft 365 Copilot from $30/month | Included in Grammarly Premium from $12/month |
| Starting Price | Contact for pricing | Contact for pricing |
| Best For | Microsoft 365 users who want AI built into their existing tools | Professionals who want AI writing help built into their existing Grammarly workflow |
| Our Pick | — | — |
Microsoft Copilot Features
- ✓GPT-4 powered chat
- ✓Microsoft 365 integration
- ✓Image generation
- ✓Web search
- ✓Windows integration
GrammarlyGO Features
- ✓AI text generation
- ✓Rewriting suggestions
- ✓Tone adjustment
- ✓Ideation prompts
- ✓Chrome extension
Pricing Comparison
Our Take
Choose Microsoft Copilot if microsoft 365 users who want ai built into their existing tools. Choose GrammarlyGO if professionals who want ai writing help built into their existing grammarly workflow.
Frequently Asked Questions
What is the difference between Microsoft Copilot and GrammarlyGO?
Microsoft Copilot is best for microsoft 365 users who want ai built into their existing tools. GrammarlyGO is best for professionals who want ai writing help built into their existing grammarly workflow.
Which is better, Microsoft Copilot or GrammarlyGO?
Choose Microsoft Copilot if microsoft 365 users who want ai built into their existing tools. Choose GrammarlyGO if professionals who want ai writing help built into their existing grammarly workflow.
How much does Microsoft Copilot cost?
Visit Microsoft Copilot website for current pricing.
How much does GrammarlyGO cost?
Visit GrammarlyGO website for current pricing.
Who should use Microsoft Copilot?
Microsoft 365 users who want AI built into their existing tools
Who should use GrammarlyGO?
Professionals who want AI writing help built into their existing Grammarly workflow