VS
Head-to-Head Comparison
Perplexity AI vs QuillBot
An honest, side-by-side breakdown of pricing, features, and security — so you can pick the right tool.
Published Last updated
- QuillBot is cheaper to start — £4/mo versus £17/mo for Perplexity AI.
- On privacy, Perplexity AI offers GDPR compliance where QuillBot does not.
- Perplexity AI is best for developers adding AI chat via an API; QuillBot for trying AI writing without paying.
Perplexity AI
AI Chatbot
8.1/ 10
Free · Free tier
Best for developers adding AI chat via an API
Visit Perplexity AISee all AI Chatbots →
QuillBot
AI Writing
7.3/ 10
Free · Free tier
Best for trying AI writing without paying
Visit QuillBotSee all AI Writing Tools →Some “Visit” links are affiliate links. How we earn →
Feature comparison
| Feature | Perplexity AI | QuillBot |
|---|---|---|
| CompareMyAI score | 8.1 / 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.
Perplexity AI comes out ahead — and you can try it free.
Try Perplexity AI freeAffiliate link · how we earn
Pricing
Price checked with vendor on
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Always check the provider's site for the latest pricing.
Pros & cons
Perplexity AI
Pros
- +Excellent real-time web search with cited sources
- +Great for research and fact-checking
- +Clean interface
- +Generous free tier
Cons
- −Less capable for long-form writing or coding
- −Not ideal for creative tasks
- −Pro plan required for advanced models
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
Our take— Perplexity AI wins
Based on our comparison of published pricing, features, and compliance data, Perplexity AI scores 8.1/10 to QuillBot's 7.3/10. Perplexity AI pulls ahead with GDPR compliance and API access. QuillBot stays close but doesn't lead on any single attribute here. If GDPR compliance matters, go Perplexity AI; if it doesn't, QuillBot.
Frequently asked questions
Which is cheaper, Perplexity AI or QuillBot?
QuillBot is cheaper to start, with its lowest paid plan at £4/mo versus £17/mo for Perplexity AI. These are each vendor's published prices and can change, so check before you buy.
Does Perplexity AI train on your data?
Based on published vendor information, Perplexity AI 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 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.
Are Perplexity AI and QuillBot GDPR compliant?
Perplexity AI 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 Perplexity AI and QuillBot have a free tier?
Yes — both Perplexity AI and QuillBot offer a free tier, so you can try each one before committing to a paid plan. Free tiers usually come with usage limits.