GPTZero alternatives
Vendors whose G2 category profile most closely matches GPTZero’s, weighted by where each one’s reviews actually sit.
| Vendor | Rating | Reviews | Growth (QoQ) | Categories | |
|---|---|---|---|---|---|
 Superhuman San Francisco, California | 4.8 | 23,005 | -49.9% | 22 | Compare |
 Originality.AI Collingwood, CA | 4.4 | 251 | -42.5% | 1 | Compare |
 Surfer Wrocław, PL | 4.8 | 546 | -50.0% | 3 | Compare |
 Turnitin Oakland, CA | 4.2 | 234 | +1050.0% | 3 | Compare |
 WriterZen ( Formerly Resonance Technology) Singapore, SG | 4.7 | 201 | — | 4 | Compare |
 Copyleaks Stamford, CT | 4.5 | 41 | -100.0% | 3 | Compare |
 QuillBot Chicago, Illinois | 4.4 | 123 | -77.8% | 2 | Compare |
 ZeroGPT Casper, US | 4.1 | 50 | -100.0% | 1 | Compare |
 Teaching Writing Online Limited Bromley, GB | 4.8 | 47 | — | 1 | Compare |
| 4.4 | 37 | — | 1 | Compare |
