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Grammarly vs Jasper for Agencies (2026): Which Is Better?
By Red Kite Search Agency Created Updated 7 min read
Summary
Choose Grammarly for polishing everywhere at a low cost. Choose Jasper for generating on-brand content at volume. Prices and ratings were checked in October 2026.
Grammarly vs Jasper: which is better for agencies in 2026?
Grammarly and Jasper are often used side by side. Grammarly checks and polishes writing everywhere. Jasper generates on-brand marketing content.
We compared price, scope, and security.
| Tool | Editorial score | Review-site ratings | Pricing | Best for |
|---|---|---|---|---|
| Grammarly | 4.3 / 5 | G2 4.7 | Free plan. Pro is $12 a month with a 7-day free trial (billing period not stated); Enterprise is quoted. | Individuals to enterprises |
| Jasper | 4.3 / 5 | G2 4.7 | 7-day free trial. Pro $59 per seat per month on annual billing ($69 monthly); Business is custom. | Small teams to enterprises |
How do Grammarly and Jasper compare on price?
Grammarly has a free plan, and Pro is shown at $12 a month with a 7-day trial, with Enterprise quoted. Jasper Pro costs $59 per seat per month on annual billing, with a custom Business plan and a 7-day trial.
| Tool | Plan | Price | What stands out |
|---|---|---|---|
| Grammarly | Free | $0 per month (monthly billing) | Spelling and grammar, tone detection, 100 AI prompts |
| Grammarly | Pro | $12 per month (monthly billing) | Sentence rewrites, tone adjustment, plagiarism and AI-text detection, 2,000 AI prompts, 1 style guide and brand tone |
| Grammarly | Enterprise | Contact sales | Unlimited style guides and brand tones, SAML SSO, dedicated support, BYOK encryption, custom roles, data loss prevention |
| Jasper | Pro | $59 per seat per month (annual billing); $69 monthly | 1 seat; Canvas; marketing agents; 2 Brand Voices; 5 Knowledge assets; 3 audiences |
| Jasper | Business | Custom | Unlimited Brand Voices and Knowledge; agents for GEO, translations and research; no-code agent builder; API; admin controls and Groups; priority support |
Which costs less?
Grammarly, by a wide margin, and it has a free plan. Jasper Pro costs several times more per seat.
They do different jobs, so the right comparison is what each would replace.
A common stack is Grammarly for every writer and Jasper for the few people who produce content at volume.
Think about who actually writes in your agency. If most people write emails, reports, and short copy, a checker covers nearly all of the value. If a small group produces dozens of pieces a week across clients, a generation platform with brand controls earns its cost.
Also compare how each fits your review process. Grammarly sits inside the tools people already use, so suggestions appear as they type, while Jasper is a place you go to produce a draft that then needs editing and approval.
Which does more?
Jasper, for generation: Canvas, agents, Brand Voices, Knowledge, and an API on Business. Grammarly offers rewrites, tone adjustment, plagiarism and AI-text detection, and apps in every browser and device.
Grammarly does not draft campaigns from a brief.
If you are choosing only one, ask whether your bottleneck is first drafts or final polish. Slow first drafts point to Jasper, and sloppy final copy points to Grammarly.
Which has stronger data terms?
Jasper states it does not use customer data to train models and lists SOC 2 Type II, GDPR, and CCPA. Grammarly states a SOC 2 Type 2 report and that it does not sell content, with model training as an opt-out setting.
Check the opt-out setting for each user before you check client copy.
Both tools should be covered by your own policy. Write down which plan each person uses, where client material may be pasted, and who reviews output, so you can answer a client who asks how AI is used on their account.
How do Grammarly and Jasper compare on integrations, security, and support?
Beyond price, agencies ask about connections to their other tools, what to tell clients about security, and how quickly they can get help. This is what each vendor states publicly, as checked in October 2026.
| Area | Grammarly | Jasper |
|---|---|---|
| Integrations | Browser extension (Chrome, Safari, Firefox, Edge), Microsoft Office and Google Docs; an app count was not stated | Webflow, Google Docs, Slack, BigQuery, Google Sheets, Zapier and Make are named; a count was not stated |
| Security | SOC 2 Type 2 report; SAML SSO on Enterprise; BYOK encryption and data loss prevention on Enterprise; Content is not sold; users can opt out of model training; ISO 27001, GDPR and HIPAA were not stated | SOC 2 Type II, GDPR, CCPA and PCI; SAML SSO and SCIM on Business; TLS 1.2+ in transit and AES-256 at rest; customer data is not used to train models |
| Support | Help center on all plans; priority support on Pro; dedicated support on Enterprise | Help center and email; Business adds priority support and a dedicated customer success manager |
| Apps | iPhone, iPad and Android apps, plus Windows and Mac desktop apps | A browser extension for Chrome and Edge; mobile apps were not stated |
What are the pros and cons of Grammarly and Jasper?
Here is where each tool helps agencies and where it can get in the way, based on plan details and public feedback.
Grammarly pros
- A free plan with 100 AI prompts a month.
- Pro adds sentence rewrites, tone adjustment, plagiarism and AI-text detection and 2,000 AI prompts, for $12 a month with a 7-day trial.
- Browser extension, Windows and Mac desktop apps, and iPhone, iPad and Android apps.
- SOC 2 Type 2 report, and Grammarly says it does not sell uploaded content.
Grammarly cons
- The Pro billing period was not stated on the page.
- Style guides and brand tones are 1 each on Pro and unlimited on Enterprise.
- SAML SSO and dedicated support are Enterprise only.
- ISO 27001, GDPR and HIPAA were not stated on the pages checked.
Jasper pros
- Pro costs $59 per seat per month on annual billing, with a 7-day free trial.
- Brand Voices, Knowledge assets and audiences keep output on brand.
- SOC 2 Type II, GDPR, CCPA and PCI compliance, with SAML SSO and SCIM on Business.
- Jasper states it does not use customer data to train models.
Jasper cons
- Pro is one seat with 2 Brand Voices, 5 Knowledge assets and 3 audiences.
- Business is custom priced, and API access is Business only.
- Mobile apps and the named underlying models were not stated.
- A dedicated agency plan was not stated, although you can create multiple projects per client.
What do reviewers say about Grammarly and Jasper?
G2 shows Grammarly at 4.7 from 14,081 reviews and Jasper at 4.7 from 1,317 reviews. Both score the same, and Grammarly has the far larger base.
| Tool | Source | Rating | Number of reviews |
|---|---|---|---|
| Grammarly | G2 | 4.7 / 5 | 14,081 |
| Jasper | G2 | 4.7 / 5 | 1,317 |
Reviewer themes for Grammarly
- G2 shows Grammarly at 4.7 from 14,081 reviews.
- Reviewers value fast, reliable corrections across many apps.
- Users can opt out of training in account settings.
Reviewer themes for Jasper
- G2 shows Jasper at 4.7 from 1,317 reviews.
- Reviewers praise persona-specific messaging.
- Some reviewers say integrations could improve.
How does setup differ between Grammarly and Jasper?
Getting value from either tool depends on how you set it up, and the first steps differ. Here is the practical starting point for each.
Grammarly: Install the browser extension on the free plan, and set up a house tone.
Jasper: Start the 7-day trial, create one Brand Voice from a client style guide, and upload a few reference assets.
What should agencies check before choosing between Grammarly and Jasper?
Small details in plans and limits decide whether a tool works in practice. Check these points for each tool during a trial on a real client account.
Before you buy Grammarly
- Decide on a house tone.
- Check Pro billing at checkout.
- Ask about Enterprise for many brands.
- Start on the free plan.
Before you buy Jasper
- Count clients and brand voices.
- Ask for a Business quote.
- Set an editing checklist.
- Use the 7-day trial.
How should you test Grammarly and Jasper before deciding?
The fairest test is to run both tools on the same real client account for two weeks, with the same people, and compare the results rather than first impressions.
What to measure
- How long it takes a new team member to be productive in Grammarly versus Jasper.
- How often people open each tool without being reminded.
- Whether the plan you need includes the features you tested, not just the entry price.
- How a client reacts if you invite them to either tool.
- How much time the team spends on notifications, setup, and cleanup each week.
Which should you choose: Grammarly or Jasper?
Choose Grammarly for polishing everywhere at a low cost. Choose Jasper for generating on-brand content at volume.
Many agencies use both.
Choose Grammarly if
- You want clean copy across every tool.
- You want apps on every platform.
- You want a free plan to start.
Skip Grammarly if
- You need to draft content from scratch.
- You need GDPR and ISO detail confirmed first.
- You need unlimited style guides on a small budget.
Choose Jasper if
- You need on-brand content for several clients.
- You want Brand Voices and Knowledge built in.
- You want SOC 2 Type II and a no-training promise.
Skip Jasper if
- You want a low-cost general assistant.
- You need multiple seats on a small budget.
- You need a mobile app.
Frequently asked questions
- Is Grammarly or Jasper better?
- They do different jobs: Grammarly checks writing and Jasper generates marketing content.
- Which is cheaper?
- Grammarly.
- Can I use both?
- Yes, and many agencies do.
- Which states SOC 2?
- Both.
- Which has a free plan?
- Grammarly.
Sources
Prices, plan limits, and ratings were gathered in October 2026 from:
- Grammarly pricing page
- Jasper pricing page
- G2