Starting price
$8.33/mo
Free tier
125 words
Founded
2017
What QuillBot Humanizer does
QuillBot Humanizer is a humanizer tool. Consistently ranks behind dedicated humanizers on Turnitin and GPTZero in third-party comparisons because it leans on synonym substitution rather than deep sentence restructuring.
Pricing: $8.33/mo billed annually, $19.95/mo monthly. Free tier: 125 words, 6 uses/day.
Bundled AI detector: Yes — built-in AI detector included
Strengths and weaknesses
What works
- Bundled AI detector, grammar checker, and paraphraser in one subscription
- Fast — results in under 5 seconds for short passages
- Color-coded change tracking so you can see exactly what was rewritten
- Synonym dropdown lets you manually adjust individual word choices
- 25% student discount
What to watch for
- Swaps words more than it restructures sentences, so detection scores lag purpose-built rivals
- 125-word free cap makes it impractical for full articles or essays
- Independent testing puts Turnitin bypass in the 40-70% range depending on source text
Our verdict
QuillBot Humanizer is best for: People who already pay for QuillBot's grammar/paraphrase suite and want a decent bonus feature, not a dedicated bypass tool.
Who QuillBot Humanizer is (and isn't) right for
Based on our testing notes, QuillBot Humanizer fits users whose top priority matches its core design. Consistently ranks behind dedicated humanizers on Turnitin and GPTZero in third-party comparisons because it leans on synonym substitution rather than deep sentence restructuring. If your priority is a different tradeoff — price, bundled features, or language coverage — one of the alternatives below may fit better.
Frequently asked questions
Is QuillBot Humanizer free to use?
QuillBot Humanizer offers a free tier of 125 words before you need to sign in or upgrade.
Does QuillBot Humanizer include an AI detector?
Yes — built-in AI detector included.
How much does QuillBot Humanizer cost?
$8.33/mo billed annually, $19.95/mo monthly. Free tier: 125 words, 6 uses/day.