Grammarly vs Jasper
A writing assistant that corrects and improves text you have already written, rather than generating content from a brief. A marketing content platform built around brand voice, with agents for marketing workflows rather than a general writing assistant.
At a glance
| Grammarly | Jasper | |
|---|---|---|
| Entry price | $12/mo | $59/seat/mo |
| Free tier | Yes | No |
| Plans offered | 3 | 3 |
| Team pricing | Not published | $59/seat/mo |
| Vendor | Grammarly | Jasper AI |
| Best for | Anyone who writes a lot and wants it to come out cleaner | Marketing teams producing high volumes of on-brand content |
| Main trade-off | It improves writing rather than producing it -- 2,000 prompts a month is not a content pipeline | Per-seat pricing gets expensive fast for a team |
The short answer
Choose Grammarly if anyone who writes a lot and wants it to come out cleaner. Choose Jasper if marketing teams producing high volumes of on-brand content. The rest of this page is the detail behind that.
Pricing
Grammarly
| Plan | Price | What it adds |
|---|---|---|
| Free | Free | Spelling and grammar · Tone detection · 100 AI prompts/month |
| Pro | $12/mo | 2,000 AI prompts/member/month · Full-sentence rewrites · Tone adjustment · Plagiarism and AI detection · 1 style guide and brand tone · 7-day trial |
| Enterprise | Custom | SAML SSO, SCIM · BYOK encryption · Data loss prevention · Unlimited style guides · Audit logs |
Pricing verified
Jasper
| Plan | Price | What it adds |
|---|---|---|
| Pro (annual) | $59/seat/mo | 1 seat · 2 Brand Voices, 5 Knowledge assets, 3 Audiences · Image generation · Browser extension |
| Pro (monthly) | $69/seat/mo | Same as annual, billed month to month |
| Business | Custom | 12-month minimum · Unlimited Brand Voices · Custom agent builder · API access · SSO and SCIM |
Pricing verified
Grammarly
Strengths
- Genuinely useful free tier -- grammar, spelling and tone cost nothing
- Works everywhere you already write, rather than in its own editor
- Plagiarism and AI-detection included at $12, which the content generators charge far more for
- Cheapest paid tier of any tool in this category
Trade-offs
- It improves writing rather than producing it -- 2,000 prompts a month is not a content pipeline
- No brand voice depth compared with a dedicated marketing platform
- Suggestions can flatten distinctive prose toward a house style if accepted uncritically
Grammarly: who it suits
Buy it if
- Anyone who writes a lot and wants it to come out cleaner
- Teams enforcing a consistent style across many writers
- Non-native English speakers writing professionally
Skip it if
- Producing content at volume from a brief -- Jasper or Copy.ai are the tools for that
- Anyone wanting an AI that drafts for them, since this is fundamentally an editor
- Writers who value a distinctive voice and would rather not be nudged toward the average
Visit Grammarlyfrom $12/mo · free tier available
Jasper
Strengths
- Brand voice controls are the most developed in the category, which matters when output has to sound like an existing company
- Agents handle multi-step marketing workflows rather than single pieces of copy
- 7-day free trial with no card required
Trade-offs
- Per-seat pricing gets expensive fast for a team
- No free tier beyond the trial
- Business tier requires a 12-month commitment and a sales conversation
- Overkill if you just want a general-purpose model to draft text
Jasper: who it suits
Buy it if
- Marketing teams producing high volumes of on-brand content
- Companies with a defined brand voice that must be applied consistently
- Workflows that span research, drafting and repurposing
Skip it if
- Individuals who just want good writing output -- a general chat subscription costs a third as much and writes about as well
- Anyone needing a free tier, since only a 7-day trial is offered
- Small teams, because per-seat pricing scales badly
Visit Jasperfrom $59/seat/mo
Common questions
- Is Grammarly or Jasper cheaper?
- Grammarly starts at $12/mo and Jasper at $59/seat/mo. Grammarly is cheaper at entry level, though the allowances differ.
- Who should not use Grammarly?
- Producing content at volume from a brief -- Jasper or Copy.ai are the tools for that. Anyone wanting an AI that drafts for them, since this is fundamentally an editor. Writers who value a distinctive voice and would rather not be nudged toward the average.
- Who should not use Jasper?
- Individuals who just want good writing output -- a general chat subscription costs a third as much and writes about as well. Anyone needing a free tier, since only a 7-day trial is offered. Small teams, because per-seat pricing scales badly.
- Does Grammarly or Jasper have a free tier?
- Grammarly has a free tier; Jasper does not.