Quillbot vs Writesonic
Which AI writing should you pick in 2026? Pricing, agents, plans and use cases, side by side.
FSReviewed May 23, 2026 by Faisal Saleem · no paid placementsPick Quillbot if budget is the priority. The other tool wins on specific features, see the side-by-side below.
- You want the lower entry price: $4.17/mo vs $79/mo.
- You need 7 rewriting modes or Summarizer, which Writesonic doesn't offer.
- You mostly do paraphrasing or summarizing.
- You need AI Article Writer or Chatsonic, which Quillbot doesn't offer.
- You mostly do seo articles or ad copy.
By the numbers
Side by side
| SPEC | ||
|---|---|---|
| Starts at | $4.17/moCHEAPER | $79/mo |
| Pricing model | Freemium | Paid |
| AI agent | No | No |
| Editor's Pick | No | No |
| Key features | 7 rewriting modesSummarizerCitation generatorAI detector | AI Article WriterChatsonicBotsonicSEO optimizer |
| Best for | ParaphrasingSummarizingCitation generationGrammar checking | SEO articlesAd copyLanding pagesProduct descriptions |
| Works with | #paraphrase#grammar#summarize | #copywriting#seo#blog |
Plan by plan
- Paraphrase up to 125 words
- Fix basic grammar errors
- 2 paraphrase modes
- Track ChatGPT only
- 50 prompts tracked daily
- 15 AI articles/month
- Unlimited paraphrasing
- 9 paraphrase modes + custom
- Advanced grammar checks
- Track ChatGPT, Gemini, AIO
- 100 prompts/day
- 25 AI articles/month
- All Premium features
- Team usage metrics
- Centralized billing
- 200 prompts tracked daily
- 50 AI articles/month
- Sentiment analysis
- All 10 AI platforms tracked
- Full Action Center
- SSO/SAML, SOC 2
What each is best for
| USE CASE | ||
|---|---|---|
| Paraphrasing | ||
| Summarizing | ||
| Citation generation | ||
| Grammar checking | ||
| SEO articles | ||
| Ad copy | ||
| Landing pages | ||
| Product descriptions |
Strengths and trade-offs
- Free tier available; paid plans from $4.17/mo
- 7 rewriting modes
- Summarizer
- Citation generator
- No autonomous agent, handles single prompts, not multi-step workflows
- Competition is strong in this space, see Writesonic for comparison
- AI Article Writer
- Chatsonic
- Botsonic
- Paid-only, no free tier (starts at $79/mo)
- No autonomous agent, handles single prompts, not multi-step workflows
- Competition is strong in this space, see Quillbot for comparison
Quillbot vs Writesonic FAQ
Short answers to what people ask most before choosing between these two.
Is Quillbot better than Writesonic?
It depends on your workflow. Quillbot is focused on assistive features, while Writesonic doesn't include an agent. Neither is currently our Editor's Pick, both are credible options. See the side-by-side table above for specifics.
Is Quillbot cheaper than Writesonic?
Quillbot is cheaper. Quillbot starts at $4.17/mo and Writesonic starts at $79/mo, a difference of roughly $74.83 per month at the entry tier.
Does Quillbot have an AI agent?
No, Quillbot is built around assistive features (autocomplete, chat) rather than a true autonomous agent. If agent functionality is a hard requirement, neither tool in this comparison ships one.
Does Writesonic have an AI agent?
No, Writesonic focuses on assistive features rather than agents.
What's the difference between Quillbot and Writesonic?
Both are writing tools. The key differences come down to pricing (Quillbot: Freemium, from $4.17/mo; Writesonic: Paid, from $79/mo), agent capability (Quillbot: no, Writesonic: no), and feature focus. Use the comparison table above to weigh which axis matters most for your work.
What's a good alternative to Quillbot and Writesonic?
Beyond Quillbot and Writesonic, the strongest alternatives in Writing depend on whether you prioritise price, agent capability, or specific features. See our "Quillbot alternatives" and "Writesonic alternatives" pages for a hand-picked ranking of each.