Microsoft 365 Copilot vs Grammarly
Side-by-side from the Top 11 ranking of ChatGPT vs Google Gemini vs Canva: 11 Best AI Tools for Small Business 2026. Last verified September 12, 2026.
The short answer
Microsoft 365 Copilot ranks higher on Top 11 (#5 vs #8) for Owners, founders and operations leads at United States companies under 500 people who have decided to spend money on AI this quarter and want to know which tool, in what order, at what published price.. Right for the business that is already Microsoft, expensive for anybody else. Compare the bundle against the add on.
At a glance
| Microsoft 365 Copilot | Grammarly | |
|---|---|---|
| Top 11 rank | #5 / ChatGPT vs Google Gemini vs Canva: 11 Best AI Tools for Small Business 2026 | #8 / ChatGPT vs Google Gemini vs Canva: 11 Best AI Tools for Small Business 2026 |
| Score (out of 9.4) | 8 | 7.1 |
| Best for | Businesses whose work lives in Outlook, Excel and Teams | Businesses where several people write to customers and the quality is uneven |
| Pricing | $$ (Copilot add on $18.00 per user per month paid yearly on promotional pricing against a regular price of $21.00, or $25.20 billed monthly, annual commitment required; Business Standard with Copilot $23.50 per user per month paid yearly, Business Premium with Copilot $32.00) | $ (Free $0 with 100 prompts; Pro $12 per month with 2,000 prompts per member per month; Enterprise on application with unlimited prompts) |
| HQ | — | — |
| Founded | — | — |
Microsoft 365 Copilot
Right for the business that is already Microsoft, expensive for anybody else. Compare the bundle against the add on.
www.microsoft.com/en-us/microsoft-365-copilot/businessSee full entry in ChatGPT vs Google Gemini vs Canva: 11 Best AI Tools for Small Business 2026
Grammarly
The narrowest purchase here and the least likely to sit unused. $12 a month, 2,000 prompts.
www.grammarly.com/plansSee full entry in ChatGPT vs Google Gemini vs Canva: 11 Best AI Tools for Small Business 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.