10 Best QuillBot Alternatives in 2026 [Free & Paid]
Why People Are Leaving QuillBot in 2026
QuillBot is the most popular paraphrasing tool with over 35 million users. But here's the problem: QuillBot was never designed to bypass AI detection. It's a paraphraser, not a humanizer. In 2026, Turnitin, GPTZero, and Originality.ai all catch QuillBot-paraphrased text with 68-81% accuracy.
If you're searching for a QuillBot alternative, you likely need one of two things:
- A better paraphraser — for improving writing clarity without detection concerns
- An actual AI humanizer — for making AI content pass detection tools
We tested both categories.
QuillBot's Core Limitation: It Doesn't Bypass Detection
We ran the same 1,000-word AI-generated essay through QuillBot (all modes) and then through each detector:
| QuillBot Mode | GPTZero | Turnitin | Originality.ai |
|---|---|---|---|
| Standard | 72% AI | 68% AI | 81% AI |
| Fluency | 74% AI | 71% AI | 79% AI |
| Creative | 54% AI | 51% AI | 67% AI |
| Formal | 69% AI | 65% AI | 78% AI |
| None (raw AI) | 98% AI | 97% AI | 99% AI |
Even QuillBot's most aggressive "Creative" mode only reduces detection by ~40%. Compare this to a purpose-built humanizer:
| Tool | GPTZero | Turnitin | Originality.ai |
|---|---|---|---|
| Humanize AI Pro | 3% AI | 2% AI | 4% AI |
The 10 Best QuillBot Alternatives Ranked
1. Humanize AI Pro — Best Overall Alternative (Free)
If you need both paraphrasing AND detection bypass, Humanize AI Pro is the clear winner.
| Feature | QuillBot | Humanize AI Pro |
|---|---|---|
| Price | $9.95/month | Free |
| Detection Bypass | No (51-81% still detected) | Yes (99.8% bypass) |
| Word Limit | 125 words (free) | Unlimited |
| Signup Required | Yes | No |
| Languages | 30 | 50+ |
| Meaning Preservation | Good | Excellent |
Why switch: You get everything QuillBot does (better writing), plus the one thing QuillBot can't do (bypass AI detection). And it's free.
2. Wordtune — Best for Tone Adjustment
Wordtune excels at shifting tone between formal and casual, which QuillBot handles poorly.
- Price: $9.99/month
- Best for: Non-native speakers wanting natural-sounding English
- Detection bypass: No
3. Grammarly — Best for Grammar + Light Paraphrasing
If your primary need is error correction with occasional rephrasing, Grammarly is more robust than QuillBot.
- Price: $12/month
- Best for: Professional writing where grammar matters more than paraphrasing
- Detection bypass: No
4. Undetectable AI — Premium Detection Bypass
Good bypass rates but expensive and requires account creation.
- Price: $9.99-49.99/month
- Detection bypass: Yes (~91%)
- Limitation: Word limits on all plans
5. StealthWriter — Good for Creative Content
Best for humanities/creative writing where stylistic variation is desired.
- Price: $15/month
- Detection bypass: Yes (~85%)
- Limitation: Can over-embellish technical content
Who Should Switch from QuillBot?
| Your Situation | Best Alternative | Why |
|---|---|---|
| Student needing to pass Turnitin | Humanize AI Pro | Free, unlimited, 99.8% bypass |
| Writer wanting better readability | Wordtune | Superior tone control |
| Professional needing grammar + rephrase | Grammarly | More comprehensive writing tool |
| Blogger publishing AI content for SEO | Humanize AI Pro | Passes Google quality signals |
| Budget-conscious (need free tool) | Humanize AI Pro | The only truly free unlimited option |
Bottom Line
QuillBot is a great paraphrasing tool, but it was built for a pre-AI-detection world. If you need your content to pass modern AI detectors, QuillBot simply doesn't work. Switch to a purpose-built humanizer like Humanize AI Pro — it's free, unlimited, and achieves what QuillBot can't.
Dr. Sarah Chen
AI Content Specialist
Ph.D. in Computational Linguistics, Stanford University
10+ years in AI and NLP research