VS
Head-to-Head Comparison
QuillBot vs Windsurf
An honest, side-by-side breakdown of pricing, features, and security — so you can pick the right tool.
Feature comparison
| Feature | QuillBot | Windsurf |
|---|---|---|
| CompareMyAI score | 7.3 / 10 | 7.6 / 10 |
| Free tier | ||
| API access | ||
| Open source | ||
| Enterprise ready | ||
| GDPR compliant | ||
| SOC 2 certified | ||
| ISO 27001 | ||
| MFA supported | ||
| Trains on your data | Yes |
Pricing
Q
FreeFree
Premium£4/mo
FreeFree
Pro£16/mo
Max£157/mo
Teams£63/mo
EnterpriseContact us
Prices in GBP. Verified monthly. Always check the provider's site for the latest.
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
Windsurf
Pros
- +Agentic coding with multi-step task planning built directly into the editor
- +UK GDPR and EEA data rights confirmed in Cognition privacy policy
- +Free tier available — Devin Desktop IDE at no cost
- +Integrates VS Code and Cursor configurations out of the box
Cons
- −Rebranded from Windsurf to Devin Desktop — product identity in transition
- −Trains on user code by default — confirmed from Cognition privacy policy
- −SOC2 and ISO 27001 not confirmed from official sources
- −Pricing sourced from Cognition blog post (April 2026), not a live pricing page
Our take— Windsurf wins
Based on our comparison of published pricing, features, and compliance data, Windsurf pulls ahead with GDPR compliance and enterprise-grade readiness. QuillBot counters with a no-training-on-your-data policy. Windsurf scores 7.6/10 to QuillBot's 7.3/10. Pick Windsurf if GDPR compliance matters; pick QuillBot if a no-training-on-your-data policy matters.