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