— AI Detection Tool

GPTZero

Last updated June 16, 2026 · Reviewed by ToolForge Editorial

The AI detector schools and publishers trust to spot machine-written text.

★ 4.3/5 · Used by 10K+ schools · Since 2022 · Free tier
Free + $10/mo Pro
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The fastest way to get more done with GPTZero

GPTZero is one of the tools we reach for most in 2026. The AI detector schools and publishers trust to spot machine-written text. Below is our hands-on take after real use, not marketing copy.

Who it's for: AI Detection teams and individuals who want results without the busywork.

Key features

Perplexity & burstiness Human-likeness score

Scores text using linguistic signals that separate human from AI writing.

Batch scanning Check hundreds of files

Upload essays, docs, and folders and scan them all at once.

Chrome & LMS plugins Scan where you work

Run checks inside Google Docs and Canvas.

Writing feedback Show the flags

Highlights exactly which sentences look AI-generated.

The honest take

✓ What works

  • Widely adopted by educators
  • Batch mode for classes
  • LMS integrations
  • Generous free tier

✗ What doesn't

  • False positives on careful human writing
  • Cat-and-mouse with new models
  • Not 100% accurate
  • Privacy questions on uploads

Verdict

GPTZero earns its place in a modern AI stack. At Free + $10/mo Pro it pays for itself quickly for anyone doing serious ai detection work. Try it for a week and decide for yourself.

💡 Transparency: This review contains affiliate links. If you sign up through our link, we may earn a commission at no cost to you. We only recommend tools we use ourselves. Full disclosure.

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Free + $10/mo Pro · Free tier

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