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Decopy AI

Pricing: Free

Updated: September 2026

Detects AI-generated text, humanizes content, and includes tools like YouTube summarizer and math solver for original writing.

Free tier (verified July 2026): Unlimited AI detection, no signup — catch: humanization is basic on free

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Pricing & free tier — last checked September 7, 2026

How we checked: read directly from the vendor's own pricing page — source

The whole pricing field was a two-word absolute that the vendor's own pricing page contradicts. The free tier is real; the absolute was not.

What	What we found	Status
Free tier	Real — AI detection and basic humanization without signing up, listed as a $0/mo plan	Confirmed
Paid tiers	$9.99, $14.99 and $29.99 per month, plus a free trialOur pricing field read only 'Completely free. No signup required for unlimited AI detection and basic humanization.' The listing stays typed free because the free tier is genuine, but the absolute is gone.	Changed since last check

Editor verification notes

We read the prices; we did not test what each paid tier unlocks, so we do not describe their contents.

Checked by the TheToolsVerse Verification Desk — by reading the vendor's own published pages, not by testing the product in an account. Decopy AI can change prices at any time without notice. The date above is the last time we looked; if it looks old, treat every figure here as unconfirmed and check Decopy AI directly before paying.

How we verify →

Editor's Verdict

Official Review

Decopy AI detects ChatGPT, Gemini, and Claude-generated text with sentence-level highlighting and confidence scores — free with no signup required. The humanizer feature rewrites flagged AI content into natural prose. Worth naming directly: the humanizer is commonly used to pass AI-written academic work as human-authored, which is academic dishonesty. For the detection use case alone — content teams auditing submissions or editors screening AI-generated drafts — the tool is straightforwardly useful.

Reviewed by Sohail Akhtar

Lead Editor & Founder

Pros

What we like

AI detection is free with no signup required and supports large documents up to 200,000 words
Sentence-level highlighting pinpoints which specific sections are flagged rather than giving only a total score
Detects across multiple AI models including ChatGPT, Gemini, and Claude in one scan
Bulk processing suits agencies and editorial teams reviewing high volumes of submitted content

Cons

Limitations

Humanizer feature is frequently used for academic dishonesty — submitting AI-written work as human-authored
Detection accuracy degrades on newer model versions as training data lags behind model updates
Confidence scores can produce false positives on naturally structured or formal human writing

Pricing

✓ Free tier re-verified July 2026: Unlimited AI detection, no signup — humanization is basic on free

There is a genuine free tier — AI detection and basic humanization without signing up — but this listing previously called the product completely free, and its own pricing page contradicts that. Checked 7 September 2026, decopy.ai/pricing lists a $0 plan alongside paid tiers at $9.99, $14.99 and $29.99 per month, plus a free trial. We are not restating what each paid tier unlocks, because we read the prices rather than testing the plans.

What is Decopy AI?

Decopy AI scans text for AI generation patterns across models like ChatGPT, Gemini, and Claude, providing accuracy scores and highlighting problematic sections. Writers, students, and marketers use it to verify content originality before submission or publication. Additional utilities include text humanization, YouTube video summarization, and AI math solving. The detector analyzes phrasing consistency, creativity levels, and structural uniformity characteristic of machine-generated content. Large document support handles up to 200,000 words with multi-format uploads including PDF and DOCX. No signup required for basic detection makes it accessible for quick checks. Humanization features rewrite flagged AI sections into natural prose while preserving meaning. Bulk processing suits agencies reviewing client deliverables or editorial teams screening submissions. Results display confidence percentages and sentence-level highlighting for precise editing. A genuine free tier differentiates Decopy from detectors that charge from the first scan, though decopy.ai also sells plans at $9.99, $14.99 and $29.99 a month and we did not establish where the free tier stops. Accuracy depends on training data recency; emerging models may initially score lower. Web-based interface ensures cross-platform compatibility without downloads. See related options.

Associated Tags

ai detector, content humanizer, text originality, youtube summarizer, ai math solver, plagiarism checker

Key Features

AI content detection across major models

Sentence-level highlighting

YouTube video summarization

AI math problem solver

Large document support (200k words)

No signup instant results

Real Use Cases

How professionals leverage Decopy AI - AI Content Detector & Text Humanizer

Discover practical workflows and real-world scenarios where Decopy AI delivers key solutions.

Content editors and publication teams screening submitted articles for undisclosed AI generation

Marketing managers auditing agency-delivered content for AI use before publishing under a brand byline

Writers checking their own AI-assisted drafts to identify over-reliance on AI phrasing before editing

Businesses reviewing freelancer deliverables for AI content that violates their editorial standards

Buyer's guide

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Top Alternatives

Dedicated alternatives page →

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GPTZero

Detect AI-generated text in documents and submissions with sentence-level analysis and detailed probability reports.

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Clever AI Humanizer

Free AI text humanizer that rewrites AI-generated content for better readability and natural tone.

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Undetectable AI

Rewrite AI-generated text to pass AI detection tools while preserving meaning, readability, and writing style.

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Frequently Asked Questions

Is Decopy AI really free with no limits?

Yes — AI detection without signing up, on a real free tier. We have withdrawn "unlimited": decopy.ai lists a $0 plan alongside paid tiers at $9.99, $14.99 and $29.99 a month, and a ladder like that exists because the free plan has a limit. Advanced and bulk features sit on the paid plans.

What AI models does Decopy detect?

Detects ChatGPT, Gemini, Claude, LLaMA, DeepSeek, and emerging systems.

Can Decopy handle PDF documents?

Yes, processes PDFs, DOCX, and text up to 200,000 words with highlighting.

Does Decopy humanize detected AI text?

Yes, rewrites flagged sections into natural human-like prose while preserving meaning.