an honest comparison
BypassGPT alternative: SI Humanizer side by side
Looking for a BypassGPT alternative? Here is what BypassGPT offers, what SI Humanizer offers, and which one fits which kind of writer. Facts come from each vendor's public pages; nothing here is a paid placement.
Prices checked on September 26, 2026 · how we compare
The short answer
Choose BypassGPT if you want an all-you-can-use plan and a large catalogue of essay and rewriting tools in one subscription.
Choose SI Humanizer if you care more about readable text than about detector scores, want more free words every day (3,000 with a free account), and prefer a service that names who runs it and what happens to your text.
BypassGPT vs SI Humanizer at a glance
| BypassGPT | SI Humanizer | |
|---|---|---|
| Free usage | Free plan with 150 words a month, 80 words per request | 3 runs a day without an account; 3,000 words a day with a free account |
| Paid plans from | $12/month, or $8/month billed yearly ($96) | Pro coming soon ($9/month planned); free tiers available now |
| Volume | 5,000 words a month (Basic) up to an "Unlimited" plan | Daily allowance instead of a monthly one |
| Max words per request | 80 (free) to 1,000 words; "unlimited" on the top plan | 1,000 words (free), 3,000 (Pro); 1,000 for the 3-version rewriter |
| Modes and styles | Fast, Creative and Enhanced modes, plus a "Humanizer 2.0" option | Natural, Casual, Professional, Academic styles with every fix highlighted; click-a-word synonyms in the paraphraser; 3 versions per rewrite |
| Languages | Over 50 languages (vendor claim) | Answers in the language you paste; best in major European languages |
| Built-in AI detector | Yes, built-in AI checker | No. We focus on the writing itself |
| Other tools | Essay generator and rewriter, paraphrasing tool, article, paragraph and sentence rewriters, plagiarism remover, API | SI Paraphraser, SI Rewriter, SI Summarizer |
| Refunds | Within 3 calendar days and under 1,000 words used; no partial refunds | Nothing to refund today; failed runs are never counted |
| Your text | Mentions "multi-layered data encryption". The privacy policy (dated 09/15/2023) does not describe how submitted text is used. | Text is not stored in our database and not used for training |
| How it presents itself | Markets itself as an "Undetectable AI Humanizer" that is "100% Undetectable", can "Bypass Turnitin" and gives a "99%+ Human Score". | Makes SI (AI) text read naturally. No promise about AI detectors. |
What BypassGPT does well
- A permanent free plan, even if small, so you can try it without a card.
- Several humanizing modes and a separate set of rewriting tools for essays, articles and sentences.
- An "Unlimited" plan for heavy users, with no per-request cap advertised.
- An API for teams that want to integrate it.
Operator: The terms name "BypassGPT, doing business as BypassGPT AI" without a registered company or address.
BypassGPT pricing in detail
Prices in US dollars as listed on BypassGPT's pricing page on September 26, 2026. Vendors run promotions and regional prices, so treat these as a snapshot.
| Plan | Monthly | Yearly, per month | Words per month | Max words per request |
|---|---|---|---|---|
| Free | $0 | n/a | 150 | 80 |
| Basic | $12 | $8 ($96/yr) | 5,000 | 500 |
| Pro | $35 | $15 ($180/yr) | 30,000 | 1,000 |
| Unlimited | $39 | $19 ($228/yr) | Unlimited | Unlimited |
Where SI Humanizer is different
A free tier you can actually use every day
3 runs a day with no account, then 3,000 words every day with a free account, across four tools. It refills daily instead of running out after a trial.
Built for readers, not for detector scores
BypassGPT markets itself as an "Undetectable AI Humanizer" that is "100% Undetectable", can "Bypass Turnitin" and gives a "99%+ Human Score". We take a different line. Our humanizer is designed to edit like a person: vary the rhythm, cut stock phrases, keep your facts and citations. We make no promise about Turnitin, GPTZero or any other detector, because nobody can honestly guarantee one.
Your text is not kept
We send your text to our language model provider to produce the result and do not store it in our database. We log only the tool, the word count and timing. See our privacy policy.
Four focused tools
Besides the SI Humanizer, you get the SI Paraphraser, the SI Rewriter and the SI Summarizer. BypassGPT offers a wider catalogue (essay generator and rewriter, paraphrasing tool, article, paragraph and sentence rewriters, plagiarism remover, API), so if you need those extras, it may suit you better.
How we compared
We read BypassGPT's homepage, pricing page, terms and privacy policy on September 26, 2026 and recorded only what they state publicly, with prices as displayed on that date. Where the vendor's own pages contradict each other, we say so. We did not run AI detector tests, because scores change from week to week and are not a fair measure of writing quality. We make SI Humanizer, so read this page as an informed but interested view, and check the vendor's page before you buy. Our full rules are in the editorial policy.
BypassGPT alternative FAQ
Is SI Humanizer a free BypassGPT alternative?
Yes. You can humanize 3 texts a day without an account and 3,000 words a day with a free account, up to 1,000 words per run. BypassGPT's free offer, as listed on its site: free plan with 150 words a month, 80 words per request.
Does SI Humanizer bypass AI detectors like BypassGPT says it does?
We do not make that claim. BypassGPT markets itself as an "Undetectable AI Humanizer" that is "100% Undetectable", can "Bypass Turnitin" and gives a "99%+ Human Score". Detector results change over time and differ between tools, and some flag human writing. We focus on making text read naturally for people, and we suggest you check your school's or client's rules on AI use.
Which one has better prices?
For light, everyday use SI Humanizer costs nothing. For large monthly volumes, BypassGPT's paid plans (from $12/month, or $8/month billed yearly ($96)) offer more capacity than our free tiers today. Our Pro plan is not open yet; you can join the waiting list.
When were these facts checked?
We checked BypassGPT's public pages on September 26, 2026. Prices shown are in US dollars as listed by the vendor and may vary by country, promotion or test. Always confirm on its pricing page before you buy.
See the difference on your own text
Paste a paragraph into SI Humanizer. No account needed for your first 3 runs today.
Open SI Humanizer