Brandwave

GPTZero vs ZeroGPT:Which is more popular?

In September 2026, ZeroGPT had more branded searches than GPTZero among AI content detectors worldwide. ZeroGPT had about 1.8 million branded searches, while GPTZero had 1.5 million. ZeroGPT made up 29.8% of all AI content detector searches we track, and GPTZero accounted for 24.4%. When we asked ChatGPT and Google AI Overviews about AI content detectors, GPTZero appeared in all five answers and ZeroGPT in two. GPTZero was mentioned before ZeroGPT in four out of five answers.

Among AI content detectors worldwide in September 2026

Who do people search for more?

ZeroGPT, about 22% more searches than GPTZero

ZeroGPT 1.8M searchesGPTZero 1.5M searches

Who does AI mention more?

GPTZero, mentioned in every answer we collected

GPTZero in 5 of 5ZeroGPT in 2 of 5

Who does AI recommend more?

GPTZero, named ahead of ZeroGPT in 4 of 5 answers

GPTZero first in 4ZeroGPT first in 1

Follow GPTZero vs ZeroGPT 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

Track your brand against a rival →

Top AI content detectors in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, GPTZero appeared in all five answers. ZeroGPT was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. GPTZero was listed before ZeroGPT in four out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. GPTZero1st
  2. Originality.ai2nd
  3. Copyleaks3rd
  4. Pangram4th
  5. Winston AI5th
  6. ZeroGPT6th
  7. Turnitin7th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • GPTZero5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Copyleaks5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Originality.ai4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Pangram3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • ZeroGPT2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Turnitin1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Winston AI1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about AI content detectors

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is GPTZero or ZeroGPT more popular in search?

This chart shows how often people search Google for GPTZero and ZeroGPT by name. Each line represents a brand's share of searches for all seven AI content detectors we track, month by month, from English-language searches worldwide.

GPTZero and ZeroGPT among AI content detectors worldwide, by month

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

View monthly share of searches table
MonthTurnitinZeroGPTGPTZeroCopyleaksOriginality.aiPangramWinston AI
Oct 202534.3%34.3%22.9%3.8%2.5%0.06%2.1%
Nov 202538.7%31.7%21.2%3.5%2.9%0.08%2%
Dec 202536.3%29.7%24.3%3.3%4%0.11%2.2%
Jan 202633.7%33.7%22.5%3.7%3.7%0.19%2.5%
Feb 202633.2%33.2%22.1%4.5%3.7%0.22%3.1%
Mar 202631.5%31.5%25.7%4.2%4.3%0.4%2.4%
Apr 202635.7%29.2%23.8%4.8%4%0.31%2.2%
May 202638.1%31.1%20.9%4.2%3.5%0.34%1.9%
Jun 202640%32.7%17.9%4.4%3%0.71%1.4%
Jul 202637.7%30.7%20.7%5.1%3.4%0.85%1.6%
Aug 202633.8%33.8%22.5%4.5%2.5%1.4%1.4%
Sep 202636.4%29.8%24.4%4%2.2%1.7%1.5%

How has the GPTZero and ZeroGPT comparison changed over the last 12 months?

3 findings
  • ZeroGPT was ahead of GPTZero in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, GPTZero’s share of searches among AI content detectors worldwide moved from 22.9% to 24.4%, and its estimated monthly branded searches moved from 1.8M to 1.5M.
  • Across the 12 months ending September 2026, ZeroGPT’s share of searches among AI content detectors worldwide moved from 34.3% to 29.8%, and its estimated monthly branded searches moved from 2.7M to 1.8M.

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

2 changes
  1. In September 2026, GPTZero gained share of searches among AI content detectors worldwide, from 22.5% to 24.4%.

  2. In September 2026, ZeroGPT lost share of searches among AI content detectors worldwide, from 33.8% to 29.8%.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using GPTZero’s and ZeroGPT’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

GPTZero

1 branded search term

  • gptzero

ZeroGPT

1 branded search term

  • zerogpt

How the Brand Demand Index is measured

Other head-to-heads among AI content detectors

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.