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Head-to-Head Comparison
QuillBot vs Writesonic
An honest, side-by-side breakdown of pricing, features, and security — so you can pick the right tool.
Published Last updated
- QuillBot starts at £4/mo and Writesonic at US$79/mo — published in different currencies, so not a like-for-like figure.
- On privacy, Writesonic offers GDPR compliance where QuillBot does not.
- QuillBot is best for trying AI writing without paying; Writesonic for teams building AI writing into their products.
QuillBot
AI Writing
7.3/ 10
Free · Free tier
Best for trying AI writing without paying
Visit QuillBotSee all AI Writing Tools →
Writesonic
AI Writing
7.3/ 10
US$79/mo · Paid only
Best for teams building AI writing into their products
Visit WritesonicSee all AI Writing Tools →Some “Visit” links are affiliate links. How we earn →
Feature comparison
| Feature | QuillBot | Writesonic |
|---|---|---|
| CompareMyAI score | 7.3 / 10 | 7.3 / 10 |
| Free tier | ||
| API access | ||
| Open source | ||
| Enterprise ready | ||
| GDPR compliant | ||
| Vendor holds SOC 2 | ||
| Vendor holds ISO 27001 | ||
| MFA supported | ||
| Trains on your data |
Certifications may only cover business or enterprise plans. Check the vendor’s trust page for your plan.
QuillBot comes out ahead — and you can try it free.
Try QuillBot freeAffiliate link · how we earn
Pricing
Price checked with vendor on
FreeFree
StarterUS$79/mo ≈£59.37/mo
BasicUS$199/mo ≈£149.56/mo
GrowthUS$399/mo ≈£299.86/mo
Enterprise—
Always check the provider's site for the latest pricing.
Pros & cons
QuillBot
Pros
- +Free tier paraphrases up to 125 words with no time limit
- +9 paraphrase modes including Formal, Simple, Creative, and Expand
- +Premium at £4/mo (annual) is the lowest price in the writing category
- +Plagiarism checker and AI Detector bundled with Premium
Cons
- −GDPR and SOC2 not confirmed from official sources
- −Free tier capped at 125 words per paraphrase — limiting for longer content
- −Focused on paraphrasing — not a full-document AI writing assistant
Writesonic
Pros
- +Competitive pricing
- +Good SEO writing features
- +Chatsonic integrates real-time web data
- +Decent template library
Cons
- −Quality varies across templates
- −Less polished than Jasper for brand consistency
- −Customer support mixed reviews
Our take— QuillBot wins
Based on our comparison of published pricing, features, and compliance data, QuillBot pulls ahead with a free tier. Writesonic counters with GDPR compliance. QuillBot scores 7.3/10 to Writesonic's 7.3/10. Pick QuillBot if you need a free tier; pick Writesonic if GDPR compliance matters.
Frequently asked questions
Does QuillBot train on your data?
Based on published vendor information, QuillBot does not train its models on your data. Policies can differ by plan and change over time, so it is worth confirming the current terms on the vendor's site.
Does Writesonic train on your data?
Based on published vendor information, Writesonic does not train its models on your data. Policies can differ by plan and change over time, so it is worth confirming the current terms on the vendor's site.
Are QuillBot and Writesonic GDPR compliant?
Writesonic states it is GDPR compliant, while QuillBot is not recorded as GDPR compliant in our data. Confirm the current position with each vendor if GDPR compliance is important for your use.
Do QuillBot and Writesonic have a free tier?
QuillBot offers a free tier, while Writesonic is paid only. If you want to try before paying, QuillBot is the one to start with.
Which has an API, QuillBot or Writesonic?
Writesonic offers API access, while QuillBot is not recorded as offering a public API in our data. For programmatic integration, Writesonic is the better fit.