RankDude
Updated 11/02/2026 · next update 12/01/2026

AI detector market, October 2026

Miles FosterOwner and tester, RankDude

The market▼ Shrinkingbut visits without Grammarly are up 29% on a year ago

Visits, year on year, without Grammarly
+29%
Visits vs September 2026
-14%
Name searches vs October 2025
-27%

Every month I measure Google visits to the 27 AI detector sites I track, and how often people search for them by name. In October 2026 they got about 48 million visits, 6% fewer than a year ago and 14% fewer than in September 2026.

Below: who grew fastest (one site is up 2029% in a year), who sits highest on Google, where the visitors live and what comes next.

Data from DataForSEO, Tranco, Chrome UX Report and Ahrefs · not a ranking

AI detector market: the key numbers for October 2026

Four numbers for October 2026. Visits mean visits from Google search to the tracked sites. Tap one for the detail below.

  • The tracked sites got 47,984,174 visits from Google in October 2026, 6% fewer than a year ago and 14% fewer than in September 2026. Grammarly, which takes 45.5% of all the visits, lost more visits on its own than the whole market lost in a year. Without it, visits would be up 29.1% on a year ago instead of down 5.6%.
  • “ai detector” gets about 5,000,000 US searches a month. People searched the site names 4,476,200 times in the US in September 2026, 27% less often than in October 2025.
  • 2 tracked sites are on Google’s first page for “ai detector”; the highest is GPTZero at position 3. Grammarly is the most-visited site.
  • 25.1% of visits came from the US (16.1% a year ago), then India, United Kingdom and Canada. The five most-visited sites took 87.9% of all visits.

1How many visits

In plain words: These sites got fewer visits from Google than a year ago (-6%), and October 2026 was a weaker month than September 2026 (-14%). Grammarly, which takes 45.5% of all the visits, lost more visits on its own than the whole market lost in a year. Without it, visits would be up 29.1% on a year ago instead of down 5.6%.

Visits, October 2026
47,984,174 (-5.6% on a year ago, -13.6% on September 2026)
US visits
12,048,933 (+47.4% on a year ago)
24-month peak
67,215,209 in February 2026

WorldVisits a month to AI detector sites, worldwide

025M50M75M100MNov 24Jan 25Mar 25May 25Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jul 26Oct 2648M
Low 27MHigh 67MAverage 51M
Hover, tap, or use the arrow keys to inspect a month

Source: DataForSEO, Google search visits, all tracked sites.

Miles explains

Judge this line on the year, not the last dot: visits are 6% below a year ago, and 29% below the February 2026 high. One site winning or losing a ranking can swing a single month a lot.

2How many people went looking

People typed a site’s name into Google 27% less often than in October 2025 (-27%). That is the loyalty number, because nobody types a name by accident.

Searches for "ai detector"
5,000,000 a month in the US, 13,600,000 worldwide (12-month average)
Name searches, September 2026
4,476,200 in the US (-26.7% since October 2025), 11,694,910 worldwide

USSearches a month for "ai detector", United States

02.5M5.0M7.5M10MOct 25Dec 25Feb 26Apr 26Jun 26Sep 265.0M
Low 1.8MHigh 7.5MAverage 4.7M
Hover, tap, or use the arrow keys to inspect a month

Source: Google Ads via DataForSEO.

USSearches a month for the site names, United States

02.5M5.0M7.5M10MOct 25Dec 25Feb 26Apr 26Jun 26Sep 264.5M
Low 1.8MHigh 6.1MAverage 4.0M
Hover, tap, or use the arrow keys to inspect a month

Source: Google Ads via DataForSEO, to September 2026.

Most searched by name, US

Ordered by US searches for the brand name in September 2026. A measured order, not a ranking.

Rising next to the term on Google Trends: “pangram ai detector”, “ai detector photo”, “ai detector image”, “ai detector pdf” and “best ai detector”.

Miles explains

Name searches are the number I trust most. They are down 27%, and nobody types a site’s name by accident, so this shows fewer people coming back on purpose.

3Who is on Google's first page

2 tracked sites are on Google’s first page for “ai detector”; the highest-placed is GPTZero, at position 3. Being on that page is the biggest single thing that decides how many visits a site gets.

Ordered by US Google position for “ai detector”, then Tranco rank. A measured order, not a ranking.

Site

  • GPTZero
    Google US
    3
    Tranco
    15,401
    Move in 41 days
    ▲ 7,445
    Search visits
    6,889,183
  • GetSolved
    Google US
    9
    Tranco
    288,778
    Move in 41 days
    ▲ 128,883
    Search visits
    118,813
  • Grammarly
    Google US
    –
    Tranco
    323
    Move in 41 days
    ▲ 244
    Search visits
    21,845,704
  • Turnitin
    Google US
    –
    Tranco
    6,076
    Move in 41 days
    ▼ 935
    Search visits
    1,307,200
  • ZeroGPT
    Google US
    –
    Tranco
    7,167
    Move in 41 days
    ▲ 4,486
    Search visits
    10,113,046
  • Surfer
    Google US
    –
    Tranco
    26,094
    Move in 41 days
    ▼ 764
    Search visits
    101,189
  • Clever AI Detector
    Google US
    –
    Tranco
    26,229
    Move in 41 days
    ▲ 28,964
    Search visits
    2,008,651
  • Originality.ai
    Google US
    –
    Tranco
    43,366
    Move in 41 days
    ▲ 266
    Search visits
    1,014,712
  • Solvely
    Google US
    –
    Tranco
    57,225
    Move in 41 days
    ▲ 102,837
    Search visits
    109,435
  • Undetectable AI
    Google US
    –
    Tranco
    60,234
    Move in 41 days
    ▲ 12,999
    Search visits
    492,126
  • Sapling
    Google US
    –
    Tranco
    71,770
    Move in 41 days
    ▲ 8,184
    Search visits
    1,027,702
  • JustDone
    Google US
    –
    Tranco
    72,286
    Move in 41 days
    ▲ 12,249
    Search visits
    373,208
  • Pangram
    Google US
    –
    Tranco
    78,289
    Move in 41 days
    ▲ 11,652
    Search visits
    387,053
  • Smodin
    Google US
    –
    Tranco
    121,630
    Move in 41 days
    ▼ 6,077
    Search visits
    191,309
  • Winston AI
    Google US
    –
    Tranco
    160,775
    Move in 41 days
    ▼ 5,903
    Search visits
    318,306

Source: DataForSEO (US Google positions) and Tranco, October 2026. First 15 of 27 sites shown.

Miles explains

No tracked site sits high on Google for “ai detector”, so most visits here come from people who already know the names.

4Who grew, who faded

Biggest gain in October 2026: Solvely (+28%); biggest loss: BrandWell (-51%). Year-on-year growers are on the demand page.

Biggest moves in October 2026

Up this month

Down this month

  • BrandWell
    Sep 26
    35,442
    Oct 26
    17,529
    Change
    -50.5%
  • MyDetector
    Sep 26
    384,776
    Oct 26
    230,684
    Change
    -40.0%
  • Surfer
    Sep 26
    163,885
    Oct 26
    101,189
    Change
    -38.3%
  • JustDone
    Sep 26
    514,791
    Oct 26
    373,208
    Change
    -27.5%
  • AI Detector
    Sep 26
    361,784
    Oct 26
    264,798
    Change
    -26.8%
  • Rankability
    Sep 26
    52,320
    Oct 26
    38,826
    Change
    -25.8%

Brand demand, since October 2025

Searched more

  • Pangram
    Oct 25
    27,100
    Sep 26
    165,000
    Change
    +508.9%
  • AI or Not
    Oct 25
    5,400
    Sep 26
    6,600
    Change
    +22.2%

Searched less

  • Rankability
    Oct 25
    1,600
    Sep 26
    320
    Change
    -80.0%
  • Surfer
    Oct 25
    8,100
    Sep 26
    2,900
    Change
    -64.2%
  • Smodin
    Oct 25
    3,600
    Sep 26
    1,300
    Change
    -63.9%
  • Quetext
    Oct 25
    6,600
    Sep 26
    2,900
    Change
    -56.1%
  • JustDone
    Oct 25
    33,100
    Sep 26
    14,800
    Change
    -55.3%
  • Solvely
    Oct 25
    18,100
    Sep 26
    8,100
    Change
    -55.2%

Source: Google Ads via DataForSEO.

5Where the visitors live

About 25 of every 100 visits come from the United States.

US share of visits
25.1% (16.1% a year ago)
Largest outside the US
India, United Kingdom and Canada
US share of "ai detector" searches
37%

USShare of visits that come from the US (%)

012.52537.550Nov 24Jan 25Mar 25May 25Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jul 26Oct 2625.1
Low 11.3High 25.1Average 18
Hover, tap, or use the arrow keys to inspect a month

US share of worldwide search visits, month by month.

Country

  • India
    Search visits a month
    5,443,047
    Share of the measured countries
    49.4%
  • United Kingdom
    Search visits a month
    1,851,361
    Share of the measured countries
    16.8%
  • Canada
    Search visits a month
    1,833,957
    Share of the measured countries
    16.7%
  • Australia
    Search visits a month
    1,051,192
    Share of the measured countries
    9.5%
  • Germany
    Search visits a month
    339,640
    Share of the measured countries
    3.1%
  • France
    Search visits a month
    336,566
    Share of the measured countries
    3.1%
  • Brazil
    Search visits a month
    158,327
    Share of the measured countries
    1.4%

Source: DataForSEO, October 2026.

Miles explains

The US is the single biggest market, but only about 25 in every 100 visits. India alone is 49.4% of the countries I measure outside it.

6Links and ratings

The tracked sites had 242,425 referring domains between them in October 2026; this is the first reading, so there is no year-on-year figure yet. The average Domain Rating is 65. Grammarly has the strongest link profile at DR 90.

By Domain Rating (Ahrefs)

By referring domains

Source: DataForSEO and Ahrefs, October 2026.