Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Copyleaks records 2,402,494 monthly visits with -14.1% month-over-month growth and Paid, Contact for Pricing pricing. Precedent records 0 monthly visits with 0% growth and Contact for Pricing pricing.

AI-powered email security for advanced phishing and BEC defense
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | copyleaks.com | precedent.io |
| Pricing Model | Paid, Contact for Pricing | Contact for Pricing |
| Monthly Visits | 2.4M (2,402,494) | 0 (0) |
| MoM Traffic Delta | -394.39K (-14.1%) | 0 (0%) |
| Primary Market & Share | 🇺🇸 United States (53.2%) | 🌐 Global (—) |
| Direct Visits / mo | 758.5K | 0 |
| User Rating | 4.4 | 4.3 |
| Supported Platforms | Website | Website |

Enterprise AI and plagiarism detection for content integrity
Identifies AI-generated text across 30+ languages and leading LLMs, with reported accuracy above 99% on internal English test sets.
Searches 60 trillion websites, 16,000+ open-access journals and internal repositories to catch paraphrasing and hidden copying.
Extends detection to AI-generated video, audio and images so teams can verify content beyond text alone.
A scalable API and workflow integrations automate content analysis inside LMS platforms, publishing tools and enterprise systems.

AI-powered email security for advanced phishing and BEC defense
Analyzes sender behavior, relationship history and message intent to identify sophisticated phishing attempts that evade static rules.
Focuses on business email compromise and identity-based attacks, which often arrive from legitimate-looking accounts and bypass legacy gateways.
Triggers remediation workflows when a malicious message is detected, reducing the manual triage burden on security teams.
Continuously feeds new threat signals back into detection so protections improve as attacker tactics evolve.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Widely used for quick AI text detection, but less comprehensive for enterprise plagiarism and code auditing.
Stronger focus on educational integrity reporting, though it lacks Copyleaks' deep enterprise compliance workflows.
Stronger focus on educational integrity reporting, though it lacks Copyleaks' deep enterprise compliance workflows.

SpecialistIncludes expert human proofreading alongside plagiarism checks, but lacks native automated AI content detection.
SpecialistIncludes expert human proofreading alongside plagiarism checks, but lacks native automated AI content detection.

The AI productivity suite with agents, email, and docs that work wherever you do
The AI productivity suite with agents, email, and docs that work wherever you do
Free / Open-sourceDetect, humanize and verify AI content in one place
Free / Open-sourceDetect, humanize and verify AI content in one place

Offers robust combined AI detection and plagiarism checking, but lacks Copyleaks' extensive enterprise API ecosystem.
Offers robust combined AI detection and plagiarism checking, but lacks Copyleaks' extensive enterprise API ecosystem.

Free / Open-sourceMultilingual AI detector with sentence-level insight
Free / Open-sourceMultilingual AI detector with sentence-level insight

Provides reliable multi-modal content scanning, but offers fewer enterprise-grade integrations than Copyleaks.
Provides reliable multi-modal content scanning, but offers fewer enterprise-grade integrations than Copyleaks.

Accuracy-first plagiarism and AI detection for schools, universities, and teams
Accuracy-first plagiarism and AI detection for schools, universities, and teams

Free / Open-sourceA privacy-first email client with built-in AI writing help
Free / Open-sourceA privacy-first email client with built-in AI writing help

Check plagiarism, detect AI text and polish your writing in one place
Check plagiarism, detect AI text and polish your writing in one place

Free / Open-sourceAntispam service that keeps junk mail, phishing and viruses out of every inbox
Free / Open-sourceAntispam service that keeps junk mail, phishing and viruses out of every inbox