Related
- HumanFlow vs Undetectable.ai — where we sit against the first of these, including where it beats us.
- HumanFlow vs Humbot — and against the second.
- Every humanizer we track, ranked — on published limits rather than on claims.
Undetectable.ai vs Humbot
HumanFlow is not one of the two tools on this page. We make a competing product, so weigh this accordingly — our methodology sets out how we source competitor figures and what we refuse to claim.
On humanizing alone this one is not close. Humbot's argument is everything in the subscription that is not a humanizer.
Last reviewed 16 August 2026 · The HumanFlow team
Why people compare these two
Both are bypass-branded tools at the cheap end, both turn up in the same roundups, and their entry prices sit two dollars apart. Almost every listing that puts them together compares those two prices and stops there.
The price is the least interesting thing about either. Once you look at what the subscription contains, the two are not really selling the same product.
Side by side
| Feature | Undetectable.ai | Humbot |
|---|---|---|
| Entry price, monthly | $9.99 | $11.99 |
| Entry price, billed yearly | $5 | $7.99 |
| Included at entry | 10,000 words / month | 3,000 basic + 1,000 advanced words / month |
| Per-request cap | No stated per-request cap | 500 words (Pro 1,200; Unlimited unrestricted) |
| Free tier | 250-word trial | Free plan available; API trial 250 words |
| Free per request | 250 words | Not stated on the pricing page |
Undetectable.ai figures read from their pricing page on 15 August 2026; Humbot from theirs on 27 July 2026.
What actually separates them
Undetectable.ai's entry plan is 10,000 words a month from a single allowance, with no per-request cap stated on its pricing page. Humbot's is 3,000 basic words plus 1,000 advanced, capped at 500 words in one paste.
So the humanizing comparison runs the same direction on every axis at once: two and a half times the monthly words, in one pool rather than split across two balances you cannot move between, with no published limit on a single paste against Humbot's 500 — and it costs less on both cycles, $9.99 against $11.99 monthly and $5 against $7.99 billed annually. That is unusual. Most pairs here trade something for something.
Humbot does not answer on that axis, and probably should not try. About ten other tools ride along with the subscription — plagiarism checking, grammar, summarising, translation, citation generation — and if two or three of those are things you would otherwise buy, the arithmetic stops being about words at all.
One qualifier their page does state: the 500-word paste limit rises to 1,200 on Pro and is removed on Unlimited. Everything above compares entry against entry, which is where most people actually buy, but the constraint is a tier decision rather than a property of the product.
Which to pick
Pick Undetectable.ai if you want a humanizer and nothing else. It is cheaper on both billing cycles, gives two and a half times the words, and never asks which of two balances to spend.
Pick Humbot if you would genuinely use the bundle. List the tools you would otherwise pay for separately — if that list has two or more names on it the extra two dollars is the cheapest way to get them, and if it is empty this is simply the dearer humanizer.
The claim we won't compare on
Neither tool's ability to get text past an AI detector appears above, and it is not an oversight. No vendor can observe or control the systems such a claim is about, detectors change without notice and disagree with each other on identical text, and every published bypass rate in this category was produced by the company selling the tool it tested. We publish none for our own product either — see why we publish no bypass rates.