GP
GPTZero
Detect AI-written text — the most popular AI content detector.
★ 4.0
Our hands-on rating
✓ Pros
- ✓AI text detection
- ✓Free basic checks
- ✓Used by educators
✗ Cons
- ✗Not 100% accurate
- ✗Server-side
- ✗Limits on free tier
Personal hands-on rating (2026-08). Widely used AI detector, useful but not perfect.
Best for
Teachers and editors checking AI-written content.
Not for
Users wanting writing help.
Compare GPTZero
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