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AI content detectors in New Zealand:Which brands are most popular in search?

In August 2026, ZeroGPT was the most searched among AI content detectors in New Zealand, with an estimated 23.3K branded searches and 37.3% estimated Share of Search within this set.

Share of Search, August 2026
  1. ZeroGPT37.3%
  2. Turnitin29.4%
  3. GPTZero27.1%
  4. Copyleaks3.2%
  5. Originality.ai1.7%
  6. Winston AI1.3%

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Share of SearchLeaderboard

Compare the AI writing detectors and plagiarism checkers New Zealand students, teachers and editors use. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Share of Search among AI content detectors in New Zealand, by month

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

View monthly share of search table
MonthZeroGPTTurnitinGPTZeroCopyleaksOriginality.aiWinston AI
Oct 202541.1%26.2%23.2%3.4%2.9%3.2%
Nov 202542.8%26.8%19.3%4.5%3.6%3%
Dec 202541.3%27.2%18.5%6.1%4.7%2.2%
Jan 202639%26.4%20.5%7.8%3.7%2.7%
Feb 202634.5%23.7%32.7%4.1%3.3%1.8%
Mar 202634.5%32%23.5%5.9%2.3%1.8%
Apr 202626.9%26.9%40.3%2.1%2.2%1.6%
May 202626.6%17%50.2%2.5%1.6%2.1%
Jun 202626.9%13.2%54.9%2.2%1.7%0.96%
Jul 202621.4%14.5%57.9%4.2%1.1%0.91%
Aug 202637.3%29.4%27.1%3.2%1.7%1.3%
Sep 2026——————

This month’s ranking, August 2026

  1. 1.ZeroGPT

    37.3%

    moved from 2nd to 1st · 23.3K estimated branded searches · +105.7% vs prior month · +15.9 points

  2. 2.Turnitin

    29.4%

    moved from 3rd to 2nd · 18.4K estimated branded searches · +139.6% vs prior month · +14.9 points

  3. 3.GPTZero

    27.1%

    moved from 1st to 3rd · 16.9K estimated branded searches · -44.8% vs prior month · -30.8 points

  4. 4.Copyleaks

    3.2%

    held 4th · 2K estimated branded searches · -10% vs prior month · -1 points

  5. 5.Originality.ai

    1.7%

    held 5th · 1.1K estimated branded searches · +78.3% vs prior month · +0.6 points

  6. 6.Winston AI

    1.3%

    held 6th · 830 estimated branded searches · +72.9% vs prior month · +0.4 points

Compare search popularity between leading brands

Which brand is most popular in search among AI content detectors in New Zealand?

In August 2026, ZeroGPT was the most searched among AI content detectors in New Zealand, with an estimated 23.3K branded searches and 37.3% estimated Share of Search within this set. Turnitin is in 2nd place, 7.9 percentage points behind at 29.4% Share of Search.

New Zealand AI content detectors, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
ZeroGPT41.1% → 37.3%42.8%Nov 202521.4%Jul 20261st
Turnitin26.2% → 29.4%32%Mar 202613.2%Jun 20262nd
GPTZero23.2% → 27.1%57.9%Jul 202618.5%Dec 20253rd
Copyleaks3.4% → 3.2%7.8%Jan 20262.1%Apr 20264th
Originality.ai2.9% → 1.7%4.7%Dec 20251.1%Jul 20266th → 5th
Winston AI3.2% → 1.3%3.2%Oct 20250.91%Jul 20265th → 6th

Each finding as a sentence

  • Across the 11 months ending August 2026, ZeroGPT’s estimated Share of Search among AI content detectors in New Zealand decreased from 41.1% to 37.3%.
  • Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among AI content detectors in New Zealand increased from 26.2% to 29.4%.
  • Across the 11 months ending August 2026, GPTZero’s estimated Share of Search among AI content detectors in New Zealand increased from 23.2% to 27.1%.
  • Across the 11 months ending August 2026, Originality.ai’s estimated Share of Search among AI content detectors in New Zealand decreased from 2.9% to 1.7%.
  • Across the 11 months ending August 2026, Winston AI’s estimated Share of Search among AI content detectors in New Zealand decreased from 3.2% to 1.3%.
  • Across the 11 months ending August 2026, ZeroGPT’s estimated Share of Search among AI content detectors in New Zealand peaked at 42.8% in November 2025 and was lowest at 21.4% in July 2026.
  • Across the 11 months ending August 2026, Turnitin’s estimated Share of Search among AI content detectors in New Zealand peaked at 32% in March 2026 and was lowest at 13.2% in June 2026.
  • Across the 11 months ending August 2026, GPTZero’s estimated Share of Search among AI content detectors in New Zealand peaked at 57.9% in July 2026 and was lowest at 18.5% in December 2025.
  • Across the 11 months ending August 2026, Copyleaks’ estimated Share of Search among AI content detectors in New Zealand peaked at 7.8% in January 2026 and was lowest at 2.1% in April 2026.
  • Across the 11 months ending August 2026, Originality.ai’s estimated Share of Search among AI content detectors in New Zealand peaked at 4.7% in December 2025 and was lowest at 1.1% in July 2026.
  • Across the 11 months ending August 2026, Winston AI’s estimated Share of Search among AI content detectors in New Zealand peaked at 3.2% in October 2025 and was lowest at 0.91% in July 2026.
  • Across the 11 months ending August 2026, Originality.ai rose from 6th to 5th among AI content detectors in New Zealand.
  • Across the 11 months ending August 2026, Winston AI fell from 5th to 6th among AI content detectors in New Zealand.
  • Across the 11 months ending August 2026, Copyleaks held steady: its estimated Share of Search among AI content detectors in New Zealand moved less than 0.5 percentage points.

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

  1. In August 2026, ZeroGPT overtook GPTZero to take the highest estimated Share of Search among AI content detectors in New Zealand, at 37.3%.

  2. In August 2026, Turnitin overtook GPTZero to rank 2nd among AI content detectors in New Zealand, at 29.4%.

  3. In August 2026, Originality.ai gained estimated Share of Search among AI content detectors in New Zealand, from 1.1% to 1.7%.

  4. In August 2026, GPTZero lost estimated Share of Search among AI content detectors in New Zealand, from 57.9% to 27.1%.

  5. In August 2026, Copyleaks lost estimated Share of Search among AI content detectors in New Zealand, from 4.2% to 3.2%.

  6. Estimated monthly branded searches for Winston AI in New Zealand fell 42% over 11 measured months, from 1.4K to 830 in August 2026.

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