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Quetext AI Detector

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What Quetext AI Detector is

Quetext AI Detector checks writing for signs of AI-generated text and plagiarism in one scan. It analyzes writing patterns, perplexity, and burstiness, then shows line-by-line results with a confidence score. Its detection covers writing associated with ChatGPT, GPT-5, Claude, Gemini, and Llama. The free plan allows up to 1,000 words for AI detection and plagiarism checking; paid plans start at $7.99 a month, billed annually for AI Detector Only. Other tools in the writing toolkit include paraphrasing, an AI Humanizer and Summarizer, grammar and spell check, and a citation generator. The Chrome extension checks webpages, Google Docs, WordPress, and plain HTML. Its API accepts text or files and returns AI and plagiarism scores, with integrations described for Canvas, Blackboard, and custom portals. Bulk uploads can use Google Drive or OneDrive, and reports can be downloaded or shared as PDFs. Quetext cautions that short phrases can be difficult to assess and that the detector works better with longer, structured text.

Who it suits

It may suit educators, students, publishers, content creators, businesses, researchers, and other listed users who need to review writing for AI signals or plagiarism. The extension, API, and report features also support browser-based, portal, and document workflows.

What it does well

Checks for AI writing and plagiarism in one scan.
Line-by-line results include a confidence score.
Free plan covers up to 1,000 words for detection.
Extension checks webpages, Google Docs, WordPress, and plain HTML.
PDF reports can be downloaded or shared.

What to know first

Quetext says short phrases can be difficult to assess.
Submitted content and usage data may be used for AI training by default.
The AI Detector Only plan is billed annually.

Limits

The free plan allows up to 1,000 words for AI detection and up to 1,000 words for plagiarism checking. Its Summarizer and Humanizer allowance is up to 2,000 words.

Plans

Plan	Billed and limits	Price
Free	AI Detector up to 1,000 words · Plagiarism Checker up to 1,000 words · Summarizer and Humanizer up to 2,000 words	Free
Essential	Page says “Starting from $19.99/mo” and “Save 45%”; billing selector offers monthly or yearly · 100k words/month · AI Detector and plagiarism checker · Humanizer and Summarizer · Bulk uploads (20 files) · API access	$19.99 a month
Professional	Page says “Starting from $29.98/mo” and “Save 45%”; billing selector offers monthly or yearly · 200k words/month · AI Detector and plagiarism checker · API access and Remarks Tool · Bulk uploads (100 files) · Scalable word-based pricing	$29.98 a month
AI Detector Only	Billed annually; page also says “Save 45%” · 50k words/month · Line-by-line AI analysis · Downloadable and shareable reports · API access	$7.99 a month

As quetext.com lists them, read 30 Sept 2026. The maker's own page has the final word.

Getting started

Open the Quetext AI Detector website or use the Chrome extension.
Choose the free plan or a paid plan.
Submit text or files for analysis; API users can send text or files through the Developers API.
For bulk uploads, import files from Google Drive or OneDrive.
Review the line-by-line results and confidence score.
Download or share the report as a PDF by email.

Verdict

Quetext combines AI detection with plagiarism checks and offers browser, API, and report workflows. Its stated limitation on short phrases and default use of submitted content and usage data for AI purposes are worth considering.

Questions

Is Quetext AI Detector free?

Yes. The Free plan costs nothing and includes AI detection and plagiarism checking up to 1,000 words each, plus Summarizer and Humanizer up to 2,000 words.

What does the AI Detector Only plan cost?

It costs $7.99 a month, billed annually. It includes 50,000 words per month, line-by-line AI analysis, reports, and API access.

Which platforms does Quetext support?

Quetext lists web, API, and extension availability. Its Chrome extension checks webpages, Google Docs, WordPress, and plain HTML.

Can it check plagiarism as well as AI writing?

Yes. Quetext says it checks for AI-generated text and plagiarism in the same scan.

Does Quetext offer API or LMS integrations?

Yes. Its Developers API accepts text or files and returns AI and plagiarism scores. The page describes integrations for Canvas, Blackboard, and custom portals.

Who provides Quetext?

The service provider is Quetext Software LLC, identified at 251 Little Falls Drive, Wilmington, Delaware 19808, USA.

Facts from Quetext AI Detector's own pages

Analysis: It analyzes writing patterns, perplexity, and burstiness and displays line-by-line results with a confidence score. · quetext.com, 30 Sept 2026
API: The Developers API accepts text or files and returns plagiarism and AI scores; the page describes API integration for Canvas, Blackboard, and custom portals. · quetext.com, 30 Sept 2026
Browser extension: The Chrome extension provides plagiarism checks and AI detection on webpages, Google Docs, WordPress, and plain HTML. · quetext.com, 30 Sept 2026
Combined scan: Quetext says the AI Detector checks for AI-generated text and plagiarism in the same scan. · quetext.com, 30 Sept 2026
Company identity: The privacy policy identifies the service provider as Quetext Software LLC and gives its postal address as 251 Little Falls Drive, Wilmington, Delaware 19808, USA. · quetext.com, 30 Sept 2026
Detection limitation: Quetext says the detector may struggle with short phrases and performs better on longer, structured text. · quetext.com, 30 Sept 2026
File integrations: Bulk uploads can import multiple files from Google Drive or OneDrive. · quetext.com, 30 Sept 2026
Intended users: The maker identifies educators, content creators, publishers, businesses, researchers, students, freelancers, admissions officers, and HR reviewers as users of AI detection. · quetext.com, 30 Sept 2026
Privacy and AI use: The privacy policy says submitted User Content and Service Usage Data may be used in AI training, fine-tuning, evaluation, and quality assurance by default, with an opt-out for future inclusion of identifiable Personal Data. · quetext.com, 30 Sept 2026
Purpose: The detector analyzes text for AI-generated writing, including text associated with ChatGPT, GPT-5, Claude, Gemini, and Llama. · quetext.com, 30 Sept 2026
Related writing tools: The writing toolkit includes AITutorMe paraphrasing, AI Humanizer, AI Summarizer, grammar and spell check, and a citation generator. · quetext.com, 30 Sept 2026
Reports: The detector supports downloading and sharing AI detection reports in PDF format via email. · quetext.com, 30 Sept 2026
Security: The pricing page lists 256-bit SSL and MFA security. · quetext.com, 30 Sept 2026