Direct answer
A quote to humanize AI text is calculated from your document's word count, not a flat fee: Turnitin0's AI humanizer costs $2.00 per 1,000 words, rounded up to the next 1,000-word block, with prepaid word packs starting at $18.00 for 10,000 words that never expire [2]. You get the quote by uploading a .docx or .txt file (English only, under 90 MB), and the humanized version is returned in minutes [2]. Because Turnitin's own AI detection is probabilistic — it shows *% rather than a precise figure when its confidence is low [1] — the quote buys a rewrite, not a guaranteed number.
How Much Does It Cost to Humanize AI Text, and How Is That Quote Calculated?
The core of any quote is volume. Turnitin0 charges $2.00 per 1,000 words, and any partial block counts as a full one, so a 4,300-word dissertation chapter is quoted at the 5,000-word rate [2]. That per-word model is why two students can ask for "a quote" and receive very different numbers — the price tracks the length of the text being rewritten, not the number of documents or how many times you re-run it [2].
Prepaid packs change the arithmetic for anyone humanizing repeatedly. Word packs begin at $18.00 for 10,000 words, and unlike monthly subscriptions they never expire, so unused words carry across assignments and terms [2]. For a student who expects several AI-assisted drafts across a semester, buying words in advance converts a per-order quote into a predictable budget line rather than a surprise each time [2].
It also helps to understand what the quote is for. Turnitin's AI Writing Detection produces a report that estimates how much of a submission is likely AI-generated, and it deliberately shows *% instead of an exact percentage when its model is not confident enough [1]. The quote therefore covers a rewriting pass aimed at the flagged, qualifying text — the passages a detector actually evaluates — rather than a cosmetic edit of the whole file [1].
What Actually Determines the Final Quote for a Document — Word Count, File Type, or Something Else?
Word count is the dominant variable, but file type and language set the boundaries of what can be quoted at all. The humanizer accepts .docx and .txt files, English only, with a maximum file size of 90 MB [2]. A scanned PDF or a mixed-language thesis falls outside those limits, so the practical first step toward an accurate quote is confirming your draft is a supported format before you estimate cost [2].
How much of your document is in scope also shapes the real value of the quote. Turnitin's AI Writing Report highlights flagged segments and reports the percentage of qualifying text identified as likely AI-written, separating processed text from text excluded from detection such as references and quotations [3]. A 12,000-word literature review with 3,000 words of quoted material is not the same job as 12,000 words of continuous original prose, even though the raw word count is identical [3].
Finally, the report structure your instructor sees is the same structure you are working against, which is why scope matters more than raw length [3]. Because flagged segments are what get surfaced, a quote that covers rewriting those passages while preserving your citations, headings, and .docx formatting is doing the work that actually moves the needle [3]. Estimating your quote from total word count is fine for budgeting, but judging whether it was worth it depends on how much qualifying text was flagged [3].
How Do I Get an Instant Quote and Make Sure the Humanized Text Actually Lowers My Turnitin AI Score?
Getting the quote is deliberately undramatic: you sign in, upload the .docx or .txt, and the word count drives the price immediately — no sales call, no negotiation, no subscription [2]. Turnitin0 reports that 98.2% of humanizer orders are re-checked with Turnitin, which is the practical way students confirm the rewrite did what the quote promised [2].
That re-check habit matters because detection results are probabilistic. Turnitin positions AI detection as one input in academic-integrity review rather than an automatic misconduct finding, and advises educators to weigh detection signals alongside context, drafting history, and conversation with the student [4]. A student who re-checks after humanizing is effectively building the same evidence trail — a before-and-after record of their own draft [4].
The honest framing of "will it lower my score" is that the humanizer rewrites flagged passages while preserving meaning, citations, headings, and formatting, and the score promise covers text drafted with ChatGPT, Claude, or Gemini — down to *%, under 20%, or even 0%, or a full refund [2]. Note that *% is Turnitin's own low-confidence display, not a failure [1]. Because the underlying detector is probabilistic [4], the sensible workflow is humanize, re-check, and revise anything still flagged before you submit [4].
You have your word count and you know the rate — the only thing left is turning that quote into a cleaner draft before your deadline. turnitin0 exists for exactly that moment: upload the file, get the humanized version back in minutes, and re-check it against the same Turnitin AI report your instructor will see.
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FAQ
Is the quote based on word count or on the number of documents?
Word count. Turnitin0's humanizer is priced at $2.00 per 1,000 words, rounded up to the next 1,000-word block, so one long file and several short files with the same total length cost the same [2].
Can I humanize a PDF?
No — the humanizer accepts .docx and .txt files, English only, under 90 MB [2]. Convert your draft to a supported format first so the quote reflects the actual text being rewritten.
Why does Turnitin sometimes show an asterisk instead of a percentage?
Turnitin displays *% when its AI detection model is not confident enough to report a precise figure, so the asterisk is a low-confidence signal rather than a confirmed score [1].
Does humanizing guarantee my score drops?
The score promise applies to text drafted with ChatGPT, Claude, or Gemini — down to *%, under 20%, or even 0%, or you get a full refund [2]. Because detection is probabilistic [4], re-check your draft and revise any remaining flagged passages before submitting [3].
Do I need a subscription to get a quote?
No. Pricing is pay-per-use with prepaid word packs that never expire, starting at $18.00 for 10,000 words, so there is no recurring charge [2].