Both are strong choices. The short answer: pick Grammarly if you are everyone who writes emails professionally. Pick Jasper if you are marketing teams producing on-brand copy at volume.
| Grammarly | Jasper | |
|---|---|---|
| In one line | The everywhere writing assistant for grammar, tone and clarity. | The marketing-focused AI writer with brand voice controls. |
| Pricing | Free plan; Pro from $12/mo | From $39/seat/mo |
| Free tier | Yes | No |
| Best for | Everyone who writes emails professionally | Marketing teams producing on-brand copy at volume |
| Category | AI Writing & Content | AI Writing & Content |
| Website | grammarly.com | jasper.ai |
Grammarly details Jasper details