--- title: "Undetectable AI vs WriteHuman: Which is searched more?" description: "Is Undetectable AI or WriteHuman more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI humanizer tools set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/undetectable-ai-vs-writehuman" publisher: "Brandwave" --- # Undetectable AI vs WriteHuman: Which is searched more? Is Undetectable AI or WriteHuman more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI humanizer tools set worldwide. 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. ## Key facts - **Compared**: Undetectable AI and WriteHuman - **Competitive set**: AI humanizer tools - **Market**: Global - **Month measured**: Sep 2026 - **Undetectable AI Share of Search**: 2.1% - **WriteHuman Share of Search**: 4.5% ## Is Undetectable AI or WriteHuman more popular in search? - In September 2026, WriteHuman had more branded searches than Undetectable AI among AI humanizer tools worldwide. WriteHuman had about 33,100 branded searches, while Undetectable AI had 15,000. WriteHuman made up 4.5% of all AI humanizer tool searches we track, and Undetectable AI accounted for 2.1%. - The lead changed hands 4 times in the 12 months ending September 2026: Undetectable AI took it in February 2026, WriteHuman took it in March 2026, Undetectable AI took it in June 2026, WriteHuman took it in August 2026. - Across the 12 months ending September 2026, Undetectable AI’s share of searches among AI humanizer tools worldwide moved from 1.2% to 2.1%, and its estimated monthly branded searches moved from 16.7K to 15K. - Across the 12 months ending September 2026, WriteHuman’s share of searches among AI humanizer tools worldwide moved from 5.4% to 4.5%, and its estimated monthly branded searches moved from 74K to 33.1K. ## Top AI humanizer tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Undetectable AI was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. WriteHuman was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Undetectable AI and WriteHuman were each listed first in two of the four answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | QuillBot | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Undetectable AI | 2nd | 3 of 3 | 0 of 2 | 3 of 5 | | WriteHuman | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Humanize AI Pro | 4th | 0 of 3 | 1 of 2 | 1 of 5 | | BypassGPT | 5th | 0 of 3 | 1 of 2 | 1 of 5 | | HIX Bypass | 5th | 1 of 3 | 1 of 2 | 2 of 5 | | Walter Writes | 7th | 1 of 3 | 0 of 2 | 1 of 5 | | Humbot | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | StealthWriter | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Grubby AI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Phrasly | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about AI humanizer tools - Asked ChatGPT "Which AI humanizer tool should I use?": 1. QuillBot, 2. Undetectable AI, 3. WriteHuman - Asked ChatGPT "What are the best AI humanizer tools?": 1. QuillBot, 2. WriteHuman, 3. Undetectable AI, 4. Walter Writes, 5. HIX Bypass - Asked ChatGPT "What's the best AI humanizer for making AI-written text sound natural?": 1. QuillBot, 2. Undetectable AI - Searched Google, AI Overview "ai humanizer": 1. QuillBot - Searched Google, AI Overview "best ai humanizer": 1. Humanize AI Pro, 2. BypassGPT, 3. HIX Bypass, 4. WriteHuman, 5. QuillBot Not named in any answer: Humbot, StealthWriter, Grubby AI and Phrasly. Brands are listed in the order each answer named them. The answers were collected in the United States on October 22, 2026. ## How did search popularity change for AI humanizer tools worldwide in September 2026? - In September 2026, Phrasly overtook WriteHuman and HIX Bypass to rank 6th among AI humanizer tools worldwide, with 4.5% of the searches. - In September 2026, WriteHuman gained share of searches among AI humanizer tools worldwide, from 2.6% to 4.5%. - Estimated monthly branded searches for Undetectable AI worldwide fell 10.2% over 12 measured months, from 16.7K to 15K in September 2026. ## Month by month | Month | Undetectable AI estimated searches | Undetectable AI Share of Search | Undetectable AI rank | WriteHuman estimated searches | WriteHuman Share of Search | WriteHuman rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 16.7K | 1.2% | 10 | 74K | 5.4% | 7 | | Nov 2025 | 16.7K | 1.1% | 10 | 74K | 5% | 7 | | Dec 2025 | 16.4K | 1.7% | 9 | 49.5K | 5.2% | 7 | | Jan 2026 | 30K | 3.5% | 8 | 40.5K | 4.7% | 7 | | Feb 2026 | 83.9K | 8.4% | 6 | 40.5K | 4.1% | 8 | | Mar 2026 | 44.9K | 3.6% | 8 | 49.5K | 4% | 7 | | Apr 2026 | 30K | 2.6% | 10 | 49.5K | 4.3% | 8 | | May 2026 | 29.5K | 2.4% | 9 | 40.5K | 3.3% | 7 | | Jun 2026 | 34.7K | 3% | 7 | 33.1K | 2.9% | 8 | | Jul 2026 | 92.9K | 9.7% | 4 | 22.2K | 2.3% | 8 | | Aug 2026 | 21K | 2% | 9 | 27.1K | 2.6% | 6 | | Sep 2026 | 15K | 2.1% | 9 | 33.1K | 4.5% | 7 | ## How each brand is measured Brandwave collects information about searches that people make online using Undetectable AI’s and WriteHuman’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. - **Undetectable AI**: Measured on the search terms “undetectable ai detector” and “undetectable ai humanizer”, summed into one figure. - **WriteHuman**: Measured on the search term “writehuman”. - [Undetectable AI profile](/demand/global-en/brands/undetectable-ai) - [WriteHuman profile](/demand/global-en/brands/writehuman) - [All AI humanizer tools worldwide](/demand/global-en/categories/ai-humanizer-tools): The set both shares are measured inside, 11 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Undetectable AI or WriteHuman more popular in search? In September 2026, WriteHuman had more branded searches than Undetectable AI among AI humanizer tools worldwide. WriteHuman had about 33,100 branded searches, while Undetectable AI had 15,000. WriteHuman made up 4.5% of all AI humanizer tool searches we track, and Undetectable AI accounted for 2.1%. ## Cite this page Brandwave. "Undetectable AI vs WriteHuman: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/undetectable-ai-vs-writehuman This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/undetectable-ai-vs-writehuman. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.