Grubby AI vs QuillBot:Which is more popular?
In September 2026, Grubby AI had more branded searches than QuillBot among AI humanizer tools worldwide. Grubby AI had about 110,000 branded searches, while QuillBot had 71,700. Grubby AI made up 15.1% of all AI humanizer tool searches we track, and QuillBot accounted for 9.8%. When we asked ChatGPT and Google AI Overviews about AI humanizer tools, QuillBot appeared in all five answers and Grubby AI in none.
Who do people search for more?
Grubby AI, about 53% more searches than QuillBot
Who does AI mention more?
QuillBot, mentioned in every answer we collected
Who does AI recommend more?
QuillBot, the only one of the two named
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Top AI humanizer tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, QuillBot appeared in all five answers. Grubby AI did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
QuillBot5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
WriteHuman3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Undetectable AI3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
HIX Bypass2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
BypassGPT1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Walter Writes1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Humanize AI Pro1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Humbot0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
StealthWriter0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Grubby AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI humanizer tools
5 answers
Asked ChatGPT
“Which AI humanizer tool should I use?”
Asked ChatGPT
“What are the best AI humanizer tools?”
Asked ChatGPT
“What's the best AI humanizer for making AI-written text sound natural?”
Searched Google, AI Overview
“ai humanizer”
Searched Google, AI Overview
“best ai humanizer”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.
Is Grubby AI or QuillBot more popular in search?
This chart shows how often people search Google for Grubby AI and QuillBot by name. Each line represents a brand's share of searches for all 11 AI humanizer tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Grubby AI, QuillBot. The figures are in the table below the chart.
View monthly share of searches table
| Month | Humbot | StealthWriter | Grubby AI | BypassGPT | QuillBot | Phrasly | WriteHuman | HIX Bypass | Undetectable AI | Walter Writes | Humanize AI Pro |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 17.8% | 14.6% | 6.6% | 32.6% | 9% | 1.3% | 5.4% | 9.8% | 1.2% | 1.3% | 0.39% |
| Nov 2025 | 16.6% | 16.6% | 16.6% | 24.8% | 7.4% | 1.2% | 5% | 9.1% | 1.1% | 1.5% | 0.3% |
| Dec 2025 | 21.2% | 17.4% | 11.6% | 21.2% | 8.5% | 1.3% | 5.2% | 9.5% | 1.7% | 1.9% | 0.38% |
| Jan 2026 | 23.5% | 19.3% | 10.6% | 19.3% | 7.9% | 1.4% | 4.7% | 7.1% | 3.5% | 2.1% | 0.42% |
| Feb 2026 | 20.1% | 16.5% | 9.1% | 9.1% | 25.1% | 1.5% | 4.1% | 4.1% | 8.4% | 1.8% | 0.36% |
| Mar 2026 | 19.9% | 19.9% | 10.9% | 10.9% | 22.3% | 1.8% | 4% | 4% | 3.6% | 2.2% | 0.36% |
| Apr 2026 | 17.3% | 21.2% | 14.2% | 11.6% | 9.9% | 2.9% | 4.3% | 4.3% | 2.6% | 2.3% | 9.5% |
| May 2026 | 16.4% | 16.4% | 11% | 11% | 30.6% | 2.7% | 3.3% | 4% | 2.4% | 1.8% | 0.44% |
| Jun 2026 | 17.7% | 11.9% | 6.5% | 6.5% | 43.9% | 2.4% | 2.9% | 3.6% | 3% | 1.3% | 0.39% |
| Jul 2026 | 17.2% | 11.5% | 5.2% | 5.2% | 43.5% | 1.9% | 2.3% | 2.3% | 9.7% | 1% | 0.3% |
| Aug 2026 | 16% | 10.7% | 5.9% | 8.8% | 48.4% | 2.2% | 2.6% | 2.2% | 2% | 0.96% | 0.35% |
| Sep 2026 | 27.5% | 18.5% | 15.1% | 12.4% | 9.8% | 4.5% | 4.5% | 3% | 2.1% | 2% | 0.6% |
How has the Grubby AI and QuillBot comparison changed over the last 12 months?
3 findings
- The lead changed hands 5 times in the 12 months ending September 2026: Grubby AI took it in November 2025, QuillBot took it in February 2026, Grubby AI took it in April 2026, QuillBot took it in May 2026, Grubby AI took it in September 2026.
- Across the 12 months ending September 2026, Grubby AI’s share of searches among AI humanizer tools worldwide moved from 6.6% to 15.1%, and its estimated monthly branded searches moved from 90.5K to 110K.
- Across the 12 months ending September 2026, QuillBot’s share of searches among AI humanizer tools worldwide moved from 9% to 9.8%, and its estimated monthly branded searches moved from 124K to 71.7K.
How did search popularity change for AI humanizer tools worldwide in September 2026?
4 changes

In September 2026, Humbot overtook QuillBot to become the leader among AI humanizer tools worldwide, with 27.5% of the searches.

In September 2026, StealthWriter overtook QuillBot to rank 2nd among AI humanizer tools worldwide, with 18.5% of the searches.

In September 2026, Grubby AI overtook QuillBot and BypassGPT to rank 3rd among AI humanizer tools worldwide, with 15.1% of the searches.

In September 2026, QuillBot lost share of searches among AI humanizer tools worldwide, from 48.4% to 9.8%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Grubby AI’s and QuillBot’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.
Other head-to-heads among AI humanizer tools

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