GPTZero vs. Turnitin
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | GPTZero | Turnitin |
|---|---|---|
| Avg. rating | 4.3 | 4.2 |
| Total reviews | 101 | 234 |
| Review growth (QoQ) | -100.0% | +1050.0% |
| Products on G2 | 1 | 3 |
| Categories covered | 2 | 3 |
| Best category rank | #2 in Plagiarism Checker | #2 in AI Grading Tools |
| Small Business | 55.4% | 26.2% |
| Mid-Market | 34.7% | 48.5% |
| Enterprise | 9.9% | 25.3% |