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Free scans require no account and no payment details, and the site promotes unlimited AI detection as part of paid plans rather than a time limited trial.
Learn moreDetecting-AI.com
AI detector that scores text and highlights the passages behind the score
Beginner API
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What is Detecting-AI.com?
Detecting-AI.com is an AI checker tool. A free, no signup AI detector that returns an overall AI score and highlights the flagged passages in your original text. It covers GPT, Claude and Gemini style writing, reads TXT, PDF and DOCX files, and frames its output as a review signal rather than proof of authorship.
Detecting-AI.com is a web based AI text checker built around one editorial idea: a percentage on its own tells you very little, so the tool keeps your original document intact and marks the passages that pushed the score up or down. You paste text, type directly into the box, or upload a TXT, PDF or DOCX file, then press Scan for AI. Nothing is submitted while you type, and PDF and DOCX parsing runs inside the browser tab, so the initial page load stays light. Results arrive as an overall AI score plus in place highlights, and the report example shown on the site pairs a 61 percent score with a mixed verdict, which is a fair picture of what the output usually looks like. The detector says it covers writing patterns associated with the OpenAI (GPT-5, GPT-4o and earlier), Anthropic Claude and Google Gemini families, and it is aimed at mixed drafts where a human edited AI output or an AI tool touched up human writing. That makes it most useful to teachers and admissions staff, editors reviewing contributed copy, publishers adding an authorship signal to an existing review flow, and writers who want to see how their revisions move the number. The vendor reports 99 percent accuracy with a false positive rate under 1 percent, and it is careful to frame detection as a probabilistic signal rather than proof of authorship or misconduct. Compared with single score detectors, the transparency is the differentiator: you can inspect distribution inside a document, see that a low overall score can still hide risky sections, and understand why short, translated or formulaic text carries more uncertainty. The bundled humanizer and plagiarism credits sit alongside detection in the paid plans, so it competes with multi tool writing suites as much as with standalone checkers. Free scans need no account, and a REST API and MCP server extend the same detector into custom software and AI assistants.
How do you use Detecting-AI.com?
1Open the detector and add your text
Go to the homepage detector, then paste from your clipboard, start typing, or load the built in AI or human sample to see how a report looks.2Upload a document instead of pasting
Choose the upload option for TXT, PDF or DOCX files. Text is extracted in your browser, and scanned PDFs without a text layer are not supported.3Run the scan
Analysis starts only after you press Scan for AI, so nothing is sent while you are still editing. Wait for the report to finish.4Read the score against the highlights
Start with the overall AI score, then work through the highlighted passages in the full text and judge each one in its surrounding context.5Revise and rescan, or humanize
Edit the sentences that read like boilerplate and scan again, or send the draft to the humanizer and review each suggested edit before using it.6Wire the detector into your own stack
Developers can call the REST endpoint for sentence level labels and an AI percentage, or connect the remote MCP server to an assistant.
Pros and cons
Pros
- Free scans with no account, and the draft survives sign in if you later upgradeAI
- Highlights flagged passages in place so the score can be checked against real sentencesAI
- Explicit about limits: short, translated or heavily edited text carries more uncertaintyAI
- Browser side PDF and DOCX parsing keeps the initial page load fastAI
- REST API and MCP server let teams run the same detector inside their own toolsAI
Cons
- Scanned PDFs need OCR and are not supported, which rules out many real world documentsAI
- The site claims 99 percent accuracy without publishing an independent benchmarkAI
- No model level attribution, so it cannot say which generator produced a passageAI
- Humanizer and plagiarism credits are bundled in, raising the price for buyers who only want detectionAI
- Paid tiers are billed yearly in the listed prices, which suits committed users more than occasional checkersAI
How much does Detecting-AI.com cost?
Pricing
Three yearly plans: Writer at $6 per month ($72 per year) with 15,000 humanizer words monthly and 3,600 plagiarism credits; Pro at $13 per month ($156 per year) adding 60,000 words and Humanizer Autopilot; Scholar at $20 per month ($240 per year) with unlimited humanizer words. All paid plans include unlimited detection up to 1,000,000 characters per scan. API plans start at USD 15 per month.
Learn moreSupport
Premium customer support is listed as an included feature on paid plans, but the homepage does not describe response times, channels or service levels.
Integrations
A REST endpoint returns sentence level labels and an AI percentage, and a remote MCP server exposes the same detector to AI assistants. API documentation is published separately on the site.
Learn moreFeatures
Overall AI score with highlighted passages shown in the original document, coverage of GPT, Claude and Gemini style writing including mixed and human edited drafts, uploads for TXT, PDF and DOCX, long documents up to 1,000,000 characters per scan on paid plans, a fact checker, an AI humanizer, plagiarism credits, plus a REST API and remote MCP server for developers.
Frequently asked questions about Detecting-AI.com
How much does Detecting-AI.com cost?
Three yearly plans: Writer at $6 per month ($72 per year) with 15,000 humanizer words monthly and 3,600 plagiarism credits; Pro at $13 per month ($156 per year) adding 60,000 words and Humanizer Autopilot; Scholar at $20 per month ($240 per year) with unlimited humanizer words. All paid plans include unlimited detection up to 1,000,000 characters per scan. API plans start at USD 15 per month.Does Detecting-AI.com offer a free trial?
Free scans require no account and no payment details, and the site promotes unlimited AI detection as part of paid plans rather than a time limited trial.Does Detecting-AI.com have an API?
Yes, Detecting-AI.com offers an API.How do you use Detecting-AI.com?
The walkthrough on this page covers 6 steps: 1. Open the detector and add your text 2. Upload a document instead of pasting 3. Run the scan 4. Read the score against the highlights 5. Revise and rescan, or humanize 6. Wire the detector into your own stack.What platforms does Detecting-AI.com support?
Detecting-AI.com is available on Web App.What does Detecting-AI.com integrate with?
A REST endpoint returns sentence level labels and an AI percentage, and a remote MCP server exposes the same detector to AI assistants. API documentation is published separately on the site.
Status
StatusActive
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Added10/21/2026
Platforms
Web App
Pricing
FreemiumSubscription
