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GPTZero vs Persqo

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GPTZero compared with Persqo
DetailGPTZero logo GPTZeroPersqo logo Persqo
What it doesAI detector that identifies content generated by large language models AI agents that test like real people
StageNot given Not given
Founded2023 Not given
Based inNot given IL
Pricing modelFreemium Freemium
PricingFree tier for basic AI detection up to 10,000 characters. Professional plan available with pricing details on subscription page. API pricing available for developers. Free: 3 sessions, no card required. Starter: $59/mo (40 sessions/month). Pro: $249/mo (200 sessions/month). Team: $699/mo (600 sessions/month). Enterprise: from $2,500/mo (custom session volume) with 4-week pilot for $3,900. Annual plans save 20%.
Key features
  • AI detection with 99.9% accuracy
  • Sentence-by-sentence highlighting of AI-generated text
  • Writing Replay showing video proof of writing process
  • Plagiarism detection
  • Grammar checking and writing feedback
  • Chrome extension for browser-based scanning
  • Integration with Canvas and Google Classroom
  • API for developer integration
  • Detects multiple AI models including GPT-5, GPT-6, Gemini, and Claude
  • AI Tutor for writing improvement
  • AI personas that behave like real users
  • Detailed reports with screenshots and console logs
  • Claude Code integration for automated fixes
  • Jira integration for issue tracking
  • Session replay and AI analysis
  • MCP for coding agents
  • Mobile web and responsive testing
  • Multiple AI personas with different behaviors
  • Support for any web framework
  • monday.com integration in early access
What makes it different
  • 99.9% accuracy rate verified by independent benchmarks from Penn State's AI Research Lab
  • De-biased for ESL learners with only 1% false positive rate for non-native English writing
  • Only detector with Writing Replay showing video proof of authentic writing process
  • Trusted by over 10 million users and 100+ organizations globally
  • Ready-to-fix prompts for Claude Code instead of just bug reports
  • Tests web apps without needing special permissions or integrations
  • Customer ticket investigation with developer-ready answers
  • AI personas that mimic real user behavior across different devices and languages
Community votes00
DR (Domain Rating by Ahrefs)81 no change since last check1 +1 (up) since last check
Trust Flow (Majestic)270
Citation Flow (Majestic)4315
Referring domains (Majestic)83872

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