Jasper vs Writesonic: Which AI Writing Tool Is Better in 2026?
Jasper
From $39Writesonic
From $16Quick verdict
Overall pick: Writesonic
Writesonic is the lower-cost entry point: it starts at $16 on a flat billing model, offers a free plan, and covers SEO-focused writing for agencies. Jasper costs more at $39 per seat and has no free plan, but it includes a plagiarism checker that Writesonic lacks and is positioned for marketing teams that need brand-consistent content. Buyers who need plagiarism checking built in should pick Jasper; buyers who want a free plan and a flat starting price should pick Writesonic.
- Writesonic's entry plan ($16) is 59% cheaper than Jasper's ($39).
- Jasper charges per user while Writesonic uses a flat price, so Writesonic gets relatively cheaper as your team grows.
- Writesonic has a free plan; Jasper does not.
- Only Jasper offers: plagiarism checker.
Cost calculator
| Tool | Monthly | Yearly |
|---|---|---|
| Jasper · per user | $195.00 | $2340 |
| Writesonic · flat | $16.00 | $192 |
Based on entry-level paid plans. Prices change, so check the vendor before you buy.
Which one should you choose?
| If you need… | Pick | Why |
|---|---|---|
| Buyer who needs a free plan to evaluate the tool | Writesonic | Writesonic offers a free plan; Jasper does not. |
| Buyer who needs a built-in plagiarism checker | Jasper | Jasper includes a plagiarism checker; Writesonic does not. |
| Small team sensitive to per-seat cost | Writesonic | Writesonic starts at $16 on flat billing, while Jasper starts at $39 per seat. |
| Marketing team focused on brand-consistent content | Jasper | Jasper is positioned for marketing teams and brand-consistent content, and includes brand voice. |
| Agency producing SEO blog posts | Writesonic | Writesonic is positioned for SEO blog posts and agencies, with SEO mode and a lower starting price. |
Feature comparison: Jasper vs Writesonic
| Feature | ||
|---|---|---|
| Free plan | ❌ | ✅ |
| Starting price | $39 /user/mo | $16 /mo |
| Copy templates | ✅ | ✅ |
| Brand voice / style memory | ✅ | ✅ |
| Plagiarism checker | ✅ | — |
| Browser extension | ✅ | ✅ |
| SEO optimisation | ✅ | ✅ |
| Team workspaces | ✅ | ✅ |
| Multilingual output | ✅ | ✅ |
| Public API | ✅ | ✅ |
Highlighted rows are where the tools differ.
Pros and cons
Jasper
- Includes a plagiarism checker, which Writesonic lacks
- Covers all eight defined features, including brand voice, SEO mode and API
- Positioned for marketing teams and brand-consistent content
- No free plan
- Starts at $39 per seat, higher than Writesonic's $16 flat starting price
Writesonic
- Offers a free plan
- Starts at $16 on flat billing, lower than Jasper's $39 per seat
- Positioned for SEO blog posts and agencies, with SEO mode included
- No plagiarism checker
- Brand voice, SEO mode and API are present, but the feature set does not exceed Jasper's
At a glance
AI content platform for marketing teams.
Founded 2021 · From $39 · 8/8 tracked features
Best for: marketing teams, brand-consistent content
See Jasper alternatives →AI writer focused on SEO content.
Founded 2020 · From $16 · 7/8 tracked features
Best for: SEO blog posts, agencies
See Writesonic alternatives →FAQ
Is Jasper cheaper than Writesonic?
No. Jasper starts at $39 per seat, while Writesonic starts at $16 on flat billing.
Does Writesonic have a free plan?
Yes. Writesonic offers a free plan; Jasper does not.
Which tool includes a plagiarism checker?
Jasper includes a plagiarism checker. Writesonic does not.
Do both tools offer SEO optimisation and a public API?
Yes. Both Jasper and Writesonic list SEO optimisation and a public API.
Which tool is better for agencies?
Writesonic is positioned for agencies and SEO blog posts, and its flat $16 starting price is lower than Jasper's $39 per seat.
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Data last reviewed: pending verification. All AI Writing tools →