In 2026-07, Circle had 7.3M visits and GPTZero had 10.1M — GPTZero leads by 39%. Both are Education & Research tools, ranked #6 and #3 of 1,133 in the category.
| Metric | ||
|---|---|---|
| Monthly visits | 7.3M | 10.1M |
| MoM growth | +1.3% | -15.9% |
| Overall rank | #134 | #104 |
| Category rank | #6 | #3 |
| Company | Circle | GPTZero |
| Domain | circle.so | gptzero.me |
Visit figures are third-party monthly estimates — best for comparing scale and trend, not exact counts. Both products are in the Education & Research category. See methodology.