AI Humanizer Pricing Comparison 2026: Every Tool Ranked by Value
Every AI Humanizer's Real Cost in 2026
The AI humanizer market has exploded, and so have the pricing schemes. Some tools charge per word, some per month, some hide limits in the fine print. We've broken down the actual cost of every major tool so you can make an informed decision.
Full Pricing Table: What You Actually Pay
| Tool | Monthly Price | Word Limit | Cost Per 1,000 Words | Free Tier | Signup |
|---|---|---|---|---|---|
| Humanize AI Pro | $0 | Unlimited | $0.00 | Unlimited | No |
| QuillBot Premium | $9.95 | Unlimited (paraphrase only) | ~$0.01 | 125 words | Yes |
| Undetectable AI | $9.99-49.99 | 10K-50K | $0.20-1.00 | Trial only | Yes |
| StealthWriter | $14.99 | 30K | $0.50 | None | Yes |
| Humbot | $14.99 | 20K | $0.75 | 300 words | Yes |
| WriteHuman | $12 | 15K | $0.80 | 1 scan | Yes |
| BypassGPT | $7.99 | 10K | $0.80 | None | Yes |
| Netus AI | $19 | 25K | $0.76 | Trial | Yes |
The Real Cost for Different User Types
Students (Writing ~10,000 words/month)
| Tool | Monthly Cost | Annual Cost |
|---|---|---|
| Humanize AI Pro | $0 | $0 |
| Undetectable AI | $9.99 | $119.88 |
| BypassGPT | $7.99 | $95.88 |
Annual savings with Humanize AI Pro: $96-$120
Content Writers (Writing ~50,000 words/month)
| Tool | Monthly Cost | Annual Cost |
|---|---|---|
| Humanize AI Pro | $0 | $0 |
| Undetectable AI (Business) | $49.99 | $599.88 |
| StealthWriter | $14.99 (cap at 30K) | $179.88 + overages |
Annual savings with Humanize AI Pro: $180-$600
Hidden Costs Most Reviews Don't Mention
1. Overage Charges
Many tools charge extra when you exceed your word limit. Undetectable AI auto-upgrades your plan. StealthWriter charges $0.02/word in overages.
2. Annual vs. Monthly Billing
Most monthly prices shown are actually annual prices. The true monthly rate is often 40-60% higher.
3. Per-Seat Pricing for Teams
If you need multiple users, most tools charge per seat. A 5-person content team on Undetectable AI costs $250/month.
The Bottom Line: Price vs. Performance
| Tool | Cost/1K Words | Bypass Rate | Value Score |
|---|---|---|---|
| Humanize AI Pro | $0.00 | 99.8% | Best |
| BypassGPT | $0.80 | 82% | Good |
| Undetectable AI | $0.20-1.00 | 91% | Good |
| StealthWriter | $0.50 | 85% | Average |
Humanize AI Pro wins on value because it is the only tool where cost per word is literally zero with the highest bypass rate. Try it free at our dashboard.
Dr. Sarah Chen
AI Content Specialist
Ph.D. in Computational Linguistics, Stanford University
10+ years in AI and NLP research