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Head-to-head · AI Content Detectors

Originality.ai vs Copyleaks AI Detector

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Originality.ai #1 in AI Content Detectors 9.4/10 Free plan Free plan✓ 4 of 4 features Visit Originality.ai
Copyleaks AI Detector #3 in AI Content Detectors 9.0/10 Free plan + paid ✓ 4 of 4 features Visit Copyleaks

Originality.ai leads on 0 checks, Copyleaks AI Detector on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOriginality.ai · 9.4/10
  • Free planonly Originality.ai

Originality.ai scores higher on our rubric for ai content detectors: 9.4 against 9.0 out of 10; our editors rank them #1 and #3.

Copyleaks AI Detector leads on word limit: 300000 words versus 10000 words.

Originality.ai is the better fit for broad academic and content verification. Copyleaks AI Detector is the better fit for education and enterprise teams needing integrations.

  • Originality.ai fits best

    Broad academic and content verification

  • Copyleaks AI Detector fits best

    Education and enterprise teams needing integrations

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Side by side

Feature Originality.ai 9.4/10 Visit ↗ Copyleaks AI Detector 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in AI Content Detectors #3 in AI Content Detectors
Best for Broad academic and content verification Education and enterprise teams needing integrations
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Browser extension Cloud, Browser extension
Platforms Web, Chrome extension Web, Chrome extension
Integrations 4 integrations 8 integrations
Features Originality.ai 4/4 · Copyleaks AI Detector 4/4
Paraphrase detection ✓ ✓
API access ✓ ✓
Browser extension ✓ ✓
Batch scanning ✓ ✓
Specs
Detection languages 30 languages 30 languages
Word limit 10000 words 300000 words (best)
Our review
Pros
  • Detects AI-generated and paraphrased plagiarized content
  • Supports 30 languages, batch scans, URLs, files, and websites
  • Offers extensions, Google integrations, reports, and API access
  • 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
Cons
  • Basic limits scans to three per day and 2,000 words per scan
  • Basic includes AI detection only
  • Advanced plans use monthly credits and tiered pricing
  • 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
Our verdict

Originality.ai is a web-based content verification platform for writers, editors, marketers, publishers, agencies, educators, and students. It analyzes text for likely AI generation and plagiarism, including paraphrased content, while also…

Read the review →

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 →
  1. Originality.aiAI Content Detectors 9.4Free plan
  2. Copyleaks AI DetectorAI Content Detectors 9.0Free plan + paid

Strengths and trade-offs

  • Originality.ai — where it wins

    • Detects AI-generated and paraphrased plagiarized content
    • Supports 30 languages, batch scans, URLs, files, and websites
    • Offers extensions, Google integrations, reports, and API access

    Where it doesn't

    • Basic limits scans to three per day and 2,000 words per scan
    • Basic includes AI detection only
    • Advanced plans use monthly credits and tiered pricing

  • 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

More comparisons

All AI content detectors comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update