ChatGPT vs QuillBot: Honest Comparison (2026)
By Raz Hadas • Last updated: May 11, 2026 • Based on real pricing + 950 G2 reviews
At first glance ChatGPT and QuillBot look similar — the data shows the differences. ChatGPT costs $20.0/mo, while QuillBot is $9.95/mo. Both offer a free tier. ChatGPT has a G2 rating of 4.7 based on 700 reviews, whereas QuillBot has a 4.4 rating from 250 reviews. A key distinction in this ChatGPT vs QuillBot comparison is long-form content; ChatGPT supports it, but QuillBot does not.
ChatGPT
OpenAI
$20/mo
Free tierGeneral-purpose AI assistant with strong writing capabilities
Side-by-side feature comparison
| Feature | ChatGPT | QuillBot |
|---|---|---|
| Starting price | Free / $20/mo | Free / $9.95/mo |
| G2 rating | 4.7 ★ (700) | 4.4 ★ (250) |
| Free tier | ✓ | ✓ |
| Long-form writing | ✓ | ✗ |
| SEO mode | ✗ | ✗ |
| Plagiarism check | ✗ | ✓ |
| Grammar check | ✗ | ✓ |
| API access | ✓ | ✗ |
| Browser extension | ✗ | ✓ |
| Templates | ✗ | ✗ |
| Affiliate program | ✗ | ✓ |
Pricing comparison
ChatGPT
Monthly: $20/mo
Free tier: GPT-3.5, limited GPT-4o
QuillBot
Monthly: $9.95/mo
Yearly equivalent: $4.17/mo
Free tier: 125 paraphrase words/attempt
Verdict
The choice between these two platforms depends entirely on your content requirements and budget. ChatGPT is the better option for users who need to generate long-form text from scratch. As a general-purpose AI assistant, its ability to handle extensive writing tasks justifies the higher $20.0/mo price tag. The platform's strong G2 rating of 4.7 from 700 reviews reflects its reliability for users who require comprehensive content creation rather than just editing existing text.
QuillBot serves a different primary function and is ideal for users focused on editing and refining shorter text. At $9.95/mo, it provides a more budget-friendly solution for those who specifically need an AI-powered paraphrasing tool. While it does not support long-form generation and has a slightly lower G2 rating of 4.4 from 250 reviews, the lower cost makes it highly practical for students or professionals who only need to rephrase or polish their existing drafts.
Frequently asked questions
What is the main difference between ChatGPT and QuillBot?
ChatGPT is an artificial intelligence model designed to generate text, answer questions, and hold conversations based on user prompts. QuillBot is primarily a paraphrasing tool that rewrites, condenses, or alters the tone of existing text. While ChatGPT creates content from scratch, QuillBot focuses on refining and editing text you have already written.
Can QuillBot write an entire essay like ChatGPT?
QuillBot is not built to generate long-form content like essays from a single prompt. It functions best when you input existing sentences or paragraphs for rewriting, summarizing, or grammar correction. ChatGPT can generate complete essays, articles, and reports based on specific instructions, making it better suited for drafting original content.
Which tool is better for checking grammar and plagiarism?
QuillBot includes dedicated features for grammar checking and plagiarism detection, making it highly effective for proofreading and academic editing. ChatGPT can identify grammatical errors if prompted, but it does not have a built-in plagiarism checker. Users focused strictly on editing and verifying originality typically prefer QuillBot for these specific tasks.
Do ChatGPT and QuillBot offer free versions?
Both tools provide free versions with usage limits. The free tier of ChatGPT allows users to generate text and converse with the model, though access may be restricted during peak times. QuillBot’s free version limits the number of words you can paraphrase at one time and restricts access to certain rewriting modes.