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Head-to-head · AI Content Detectors

Copyleaks AI Detector vs AI Detectors.io

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Copyleaks AI Detector #3 in AI Content Detectors 9.0/10 Free plan + paid ✓ 4 of 4 features Visit Copyleaks
AI Detectors.io #6 in AI Content Detectors 8.6/10 Free plan Free plan✓ 4 of 4 features Try AI Detectors.io

Copyleaks AI Detector leads on 1 check, AI Detectors.io on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCopyleaks AI Detector · 9.0/10
  • Free planonly AI Detectors.io

Copyleaks AI Detector scores higher on our rubric for ai content detectors: 9.0 against 8.6 out of 10; our editors rank them #3 and #6.

Copyleaks AI Detector leads on word limit: 300000 words versus 25000 words.

Copyleaks AI Detector is the better fit for education and enterprise teams needing integrations. AI Detectors.io is the better fit for budget-conscious users needing integrations.

  • Copyleaks AI Detector fits best

    Education and enterprise teams needing integrations

  • AI Detectors.io fits best

    Budget-conscious users needing integrations

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Copyleaks AI Detector 9.0/10 Visit ↗ AI Detectors.io 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #3 in AI Content Detectors #6 in AI Content Detectors
Best for Education and enterprise teams needing integrations Budget-conscious users needing integrations
Pricing model Free plan + paid Free plan + paid
Starting price — $8.33/mo
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Browser extension Cloud, Browser extension
Platforms Web, Chrome extension Web, Chrome extension
Integrations 8 integrations 9 integrations
Features Copyleaks AI Detector 4/4 · AI Detectors.io 4/4
Paraphrase detection ✓ ✓
API access ✓ ✓
Browser extension ✓ ✓
Batch scanning ✓ ✓
Specs
Detection languages 30 languages Not checked yet
Word limit 300000 words (best) 25000 words
Our review
Pros
  • Detects AI-written, mixed, edited, and paraphrased text in 30 languages
  • Combines AI detection and plagiarism checks in one text report
  • Supports LMS integrations, browser tools, Google Docs, and a REST API
  • Sentence-level probability highlights with confidence scores and reports
  • Detects major models, paraphrased AI text, plagiarism, and citation issues
  • Includes REST API, Chrome extension, and education and publishing integrations
Cons
  • Enterprise and Education plans use custom pricing
  • Personal is limited to 1,200 unified credits
  • Scans are capped at 300,000 words per billing period
  • Free plan allows 10,000 words per month
  • Free scans are limited to 500 words per use
  • Premium scans support up to 25,000 words per AI Detector scan
Our verdict

Copyleaks AI Detector analyzes submitted text for likely AI-generated writing and distinguishes human, mixed, edited, or paraphrased content. It is designed for individuals, educators, institutions, and organizations that need detection…

Read the review →

AI Detectors.io is a web-based content authenticity platform for students, educators, writers, publishers, and editorial teams. It analyzes writing for signals associated with AI-generated content, then presents AI probability scores,…

Read the review →
  1. Copyleaks AI DetectorAI Content Detectors 9.0Free plan + paid
  2. AI Detectors.ioAI Content Detectors 8.6Free plan

Strengths and trade-offs

  • Copyleaks AI Detector — where it wins

    • Detects AI-written, mixed, edited, and paraphrased text in 30 languages
    • Combines AI detection and plagiarism checks in one text report
    • Supports LMS integrations, browser tools, Google Docs, and a REST API

    Where it doesn't

    • Enterprise and Education plans use custom pricing
    • Personal is limited to 1,200 unified credits
    • Scans are capped at 300,000 words per billing period
  • AI Detectors.io — where it wins

    • Sentence-level probability highlights with confidence scores and reports
    • Detects major models, paraphrased AI text, plagiarism, and citation issues
    • Includes REST API, Chrome extension, and education and publishing integrations

    Where it doesn't

    • Free plan allows 10,000 words per month
    • Free scans are limited to 500 words per use
    • Premium scans support up to 25,000 words per AI Detector scan

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update