How popular isTurnitin in search?
In August 2026, there were an estimated 1.5M branded searches for Turnitin worldwide which is down 45.3% over the last 11 months. Turnitin holds 52.2% estimated Share of Search among AI content detectors worldwide and is ranked 1st of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.
Turnitin52.2%GPTZero34.8%
Copyleaks7%
Originality.ai3.9%
Winston AI2.2%
Follow Turnitin and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which AI content detectors compete with Turnitin?
Share of Search by month for Turnitin, GPTZero, Copyleaks, Originality.ai, Winston AI. The figures are in the table below the chart.
View monthly share of search table
| Month | Turnitin | GPTZero | Copyleaks | Originality.ai | Winston AI |
|---|---|---|---|---|---|
| Oct 2025 | 52.3% | 34.9% | 5.7% | 3.9% | 3.2% |
| Nov 2025 | 56.8% | 31% | 5.1% | 4.2% | 2.9% |
| Dec 2025 | 51.8% | 34.7% | 4.6% | 5.8% | 3.2% |
| Jan 2026 | 50.9% | 34% | 5.6% | 5.7% | 3.8% |
| Feb 2026 | 49.9% | 33.3% | 6.7% | 5.5% | 4.6% |
| Mar 2026 | 46.2% | 37.8% | 6.2% | 6.3% | 3.5% |
| Apr 2026 | 50.6% | 33.8% | 6.8% | 5.6% | 3.1% |
| May 2026 | 55.6% | 30.4% | 6.1% | 5% | 2.8% |
| Jun 2026 | 60.1% | 26.8% | 6.6% | 4.5% | 2% |
| Jul 2026 | 55.1% | 30.2% | 7.4% | 5% | 2.3% |
| Aug 2026 | 52.2% | 34.8% | 7% | 3.9% | 2.2% |
| Sep 2026 | — | — | — | — | — |
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 52.2% | 1.5M | 0% | -2.9 points | |
| 2, held 2nd | 34.8% | 1M | +21.5% | +4.6 points | |
| 3, held 3rd | 7% | 201K | 0% | -0.4 points | |
| 4, held 4th | 3.9% | 111K | -18.5% | -1.1 points | |
| 5, held 5th | 2.2% | 62.1K | 0% | -0.1 points |
1.
Turnitin52.2%
Held 1st. 1.5M estimated branded searches, 0% vs prior month. Share -2.9 points.
2.
GPTZero
34.8%
Held 2nd. 1M estimated branded searches, +21.5% vs prior month. Share +4.6 points.
7%
Held 3rd. 201K estimated branded searches, 0% vs prior month. Share -0.4 points.
3.9%
Held 4th. 111K estimated branded searches, -18.5% vs prior month. Share -1.1 points.
2.2%
Held 5th. 62.1K estimated branded searches, 0% vs prior month. Share -0.1 points.
Compare search popularity between Turnitin and its closest rivals
Every comparison with Turnitin
7 comparisons
How has branded search demand for Turnitin changed worldwide over the last 12 months?
2 findings
- Across the 11 months ending August 2026, estimated monthly branded searches for Turnitin worldwide fell from 2.7M to 1.5M.
- Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among AI content detectors worldwide peaked at 60.1% in June 2026 and was lowest at 46.2% in March 2026.
How did search popularity change for AI content detectors worldwide in August 2026?
5 changes
In August 2026, GPTZero gained estimated Share of Search among AI content detectors worldwide, from 30.2% to 34.8%.

In August 2026, Turnitin lost estimated Share of Search among AI content detectors worldwide, from 55.1% to 52.2%.

In August 2026, Originality.ai lost estimated Share of Search among AI content detectors worldwide, from 5% to 3.9%.

Estimated monthly branded searches for Winston AI worldwide fell 63.2% over 11 measured months, from 169K to 62.1K in August 2026.
Estimated monthly branded searches for Copyleaks worldwide fell 33.2% over 11 measured months, from 301K to 201K in August 2026.
Where does Turnitin compete?
| Competitor set | Rank | Share of Search | Ranking |
|---|---|---|---|
| AI content detectors | 1st of 5 | 52.2% | Shown above |
| Plagiarism checkers | 1st of 5 | 71.9% | Show ranking |
How is Turnitin measured?
Brandwave collects information about searches that people make online using Turnitin’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
1 branded search term
- turnitin
Do you work for Turnitin? To request corrections or removal please contact us via our support page and we will be happy to assist.

Is Turnitin your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.