Brandwave

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 55.5% 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.

Share of Search, August 2026
  1. Turnitin55.5%
  2. GPTZero37%
  3. Copyleaks7.4%
  4. Winston AI0.06%
  5. Originality.ai0.05%
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Where does Turnitin compete?

Turnitin is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
AI content detectors1st of 555.5%Shown below
Plagiarism checkers1st of 571.9%Show ranking

Which AI content detectors compete with Turnitin?

Turnitin against AI content detectors worldwide, by month

Share of Search by month for Turnitin, GPTZero, Copyleaks. The figures are in the table below the chart.

View monthly share of search table
MonthTurnitinGPTZeroCopyleaksWinston AIOriginality.ai
Oct 202556.2%37.5%6.2%0.07%0.05%
Nov 202561%33.3%5.5%0.07%0.05%
Dec 202556.8%38%5.1%0.07%0.07%
Jan 202656.2%37.5%6.2%0.09%0.07%
Feb 202655.4%36.9%7.5%0.11%0.07%
Mar 202651.2%41.8%6.9%0.08%0.07%
Apr 202655.4%37%7.4%0.07%0.06%
May 202660.3%33%6.6%0.06%0.05%
Jun 202664.2%28.7%7%0.05%0.05%
Jul 202659.4%32.6%8%0.06%0.06%
Aug 202655.5%37%7.4%0.06%0.05%
Sep 2026—————

  1. 1.Turnitin

    55.5%

    Held 1st. 1.5M estimated branded searches, 0% vs prior month. Share -3.9 points.

  2. 2.GPTZero

    37%

    Held 2nd. 1M estimated branded searches, +21.5% vs prior month. Share +4.4 points.

  3. 3.Copyleaks

    7.4%

    Held 3rd. 201K estimated branded searches, 0% vs prior month. Share -0.5 points.

  4. 4.Winston AI

    0.06%

    Moved from 5th to 4th. 1.6K estimated branded searches, 0% vs prior month. Share 0 points.

  5. 5.Originality.ai

    0.05%

    Moved from 4th to 5th. 1.3K estimated branded searches, -18.8% vs prior month. Share 0 points.

Compare search popularity between Turnitin and its closest rivals

How has branded search demand for Turnitin changed worldwide over the last 12 months?

  • 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 decreased from 56.2% to 55.5%.
  • Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among AI content detectors worldwide peaked at 64.2% in June 2026 and was lowest at 51.2% in March 2026.

How did search popularity change for AI content detectors worldwide in August 2026?

  1. In August 2026, GPTZero gained estimated Share of Search among AI content detectors worldwide, from 32.6% to 37%.

  2. In August 2026, Turnitin lost estimated Share of Search among AI content detectors worldwide, from 59.4% to 55.5%.

  3. In August 2026, Copyleaks lost estimated Share of Search among AI content detectors worldwide, from 8% to 7.4%.

  4. In August 2026, Winston AI rose from 5th to 4th among AI content detectors worldwide.

  5. In August 2026, Originality.ai fell from 4th to 5th among AI content detectors worldwide.

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

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How the Brand Demand Index is measured

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