GrammarlyGO vs Microsoft Copilot (2026)
A head-to-head comparison to help you pick the right tool
Last updated: May 13, 2026
GrammarlyGO
GrammarlyGO is Grammarly's generative AI writing assistant that helps compose, rewrite and ideate directly in your existing workflow.
Microsoft Copilot
Microsoft Copilot is Microsoft's AI assistant powered by GPT-4, integrated into Windows, Edge, and Microsoft 365.
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
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
GrammarlyGO vs Microsoft Copilot: Side by Side
| Factor | GrammarlyGO | Microsoft Copilot |
|---|---|---|
| User Rating | N/A | N/A |
| Category | AI Writing Tools | AI Chatbots |
| Pricing Model | Included in Grammarly Premium from $12/month | Free, Microsoft 365 Copilot from $30/month |
| Starting Price | Contact for pricing | Contact for pricing |
| Best For | Professionals who want AI writing help built into their existing Grammarly workflow | Microsoft 365 users who want AI built into their existing tools |
| Our Pick | — | — |
GrammarlyGO Features
- ✓AI text generation
- ✓Rewriting suggestions
- ✓Tone adjustment
- ✓Ideation prompts
- ✓Chrome extension
Microsoft Copilot Features
- ✓GPT-4 powered chat
- ✓Microsoft 365 integration
- ✓Image generation
- ✓Web search
- ✓Windows integration
Pricing Comparison
Our Take
Choose GrammarlyGO if professionals who want ai writing help built into their existing grammarly workflow. Choose Microsoft Copilot if microsoft 365 users who want ai built into their existing tools.
Also Consider
If neither GrammarlyGO nor Microsoft Copilot is the right fit, Rytr is worth evaluating.
Rytr
Freelancers and solopreneurs on a tight budget
From $9/mo
Frequently Asked Questions
What is the difference between GrammarlyGO and Microsoft Copilot?
GrammarlyGO is best for professionals who want ai writing help built into their existing grammarly workflow. Microsoft Copilot is best for microsoft 365 users who want ai built into their existing tools.
Which is better, GrammarlyGO or Microsoft Copilot?
Choose GrammarlyGO if professionals who want ai writing help built into their existing grammarly workflow. Choose Microsoft Copilot if microsoft 365 users who want ai built into their existing tools.
How much does GrammarlyGO cost?
Visit GrammarlyGO website for current pricing.
How much does Microsoft Copilot cost?
Visit Microsoft Copilot website for current pricing.
Who should use GrammarlyGO?
Professionals who want AI writing help built into their existing Grammarly workflow
Who should use Microsoft Copilot?
Microsoft 365 users who want AI built into their existing tools