The Most Popular AI Tools in 2026, Ranked Four Different Ways
We pulled search demand, browser extension installs, chatbot visits and developer usage for October 2026, and the four rankings don't agree with each other.
- Ranking 1: search demand
- Ranking 2: chatbot visits, app users and referrals
- Searches against app users, year over year
- Which chatbots US adults had used
- Ranking 3: browser extensions
- Ranking 4: developer usage
- All four measures together
We pulled search demand, browser extension installs, chatbot visits and developer usage for October 2026, and the four rankings don’t agree with each other.
Where the data comes from: US monthly Google searches for 40 AI tool names, September 2026 against October 2025; Similarweb site visits, Sensor Tower app users and Statcounter referrals; Pew Research (February 2026); the Chrome Web Store on October 19, 2026; and OpenRouter token counts on October 17, 2026.
- Medium post: The Most Popular AI Tools in 2026, Ranked Four Different Ways
- RankControl, an AI SEO and AEO platform
- Google Sites page: Four Rankings of the Most Popular AI Tools, and Why They Disagree
Ranking 1: search demand
US monthly Google searches for 40 AI tool names. Google reports these volumes in coarse buckets, which is why several tools share the exact same number.
| Tool | What the post says | Source | Date |
|---|---|---|---|
| ChatGPT | ChatGPT sat at 124,000,000, flat on the year. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Canva | Canva and Gemini tied for second at 30,400,000, though most Canva searches are about the design tool, not its AI. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Gemini | Gemini more than doubled, from 13,600,000 to 30,400,000 | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Claude | Claude grew the fastest, from about 1,220,000 searches in October 2025 to 9,140,000 in September 2026, more than seven times higher. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Janitor AI | Janitor AI rose from 2,740,000 to 4,090,000 searches | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Grammarly | Grammarly at 2,740,000, down a third | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Sora, Perplexity, Jasper, Character AI, Midjourney, QuillBot, Microsoft Copilot | Sora dropped about 80%, from 3,350,000 to 673,000. Perplexity fell 55%, Jasper about 70%, and Character AI, Midjourney, QuillBot and Microsoft Copilot around 45% each. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Character AI | Character AI, which fell from 4,090,000 to 2,240,000 in the same year | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Midjourney | Midjourney fell from 301,000 to 165,000 | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Replit, Lovable, GitHub Copilot | Replit got about 201,000 US searches in September, Lovable about 165,000 (it was 135,000 a year earlier) and GitHub Copilot slid from 74,000 to 60,500. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Suno, ElevenLabs, Runway | Suno drew 550,000 US searches in September, up 22%. ElevenLabs hit 368,000, also up 22%, and Runway 165,000, up 50%. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Meta AI | Searches for “meta ai” fell from 368,000 to 301,000 | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Turnitin, QuillBot, Gamma, Jasper | Turnitin fell 18% to 450,000 searches, QuillBot 45%, Gamma 55% and Jasper 70%. | Search Shift pull of US monthly Google searches | September 2026 against October 2025 |
| Janitor AI | Janitor AI drew more US searches in September 2026 than Perplexity, DeepSeek and NotebookLM put together. | Search Shift pull of US monthly Google searches | September 2026 |
Ranking 2: chatbot visits, app users and referrals
| Tool | What the post says | Source | Date |
|---|---|---|---|
| ChatGPT | In May 2026 ChatGPT had 52.7% of AI chatbot visits and 46.4% of app users. In September it sent 80.48% of the AI referral traffic that reached websites. | Similarweb (site visits), Sensor Tower (app users), Statcounter (referrals) | May 2026 (visits, app users); September (referrals) |
| Gemini | Gemini was second on all three: 27.3% of visits, 27.7% of app users, 10.91% of referrals. | Similarweb (site visits), Sensor Tower (app users), Statcounter (referrals) | May 2026 (visits, app users); September (referrals) |
| Claude | Claude had 8.9% of visits and 10.3% of app users, but only 0.95% of referrals. | Similarweb (site visits), Sensor Tower (app users), Statcounter (referrals) | May 2026 (visits, app users); September (referrals) |
| Perplexity | Perplexity had 1.3% of chatbot visits in May and under 5% of app users. In September it sent 5.85% of AI referrals, more than four times its visit share. | Similarweb (site visits), Sensor Tower (app users), Statcounter (referrals) | May 2026 (visits, app users); September (referrals) |
Searches against app users, year over year
| Tool | What the post says | Source | Date |
|---|---|---|---|
| Perplexity | Perplexity’s searches fell 55%. Its app users rose 94%. | Similarweb’s 2026 generative AI report, next to Search Shift’s search pull | year over year (US monthly app users) |
| ChatGPT | ChatGPT’s searches were flat, and its app users rose 87%. | Similarweb’s 2026 generative AI report, next to Search Shift’s search pull | year over year (US monthly app users) |
| Grok | Grok’s were flat too, with app users up 117%. | Similarweb’s 2026 generative AI report, next to Search Shift’s search pull | year over year (US monthly app users) |
| Claude, Gemini | Claude went up on both, 649% on search and 349% on app users, while Gemini’s 124% search jump came with only 31% more app users. | Similarweb’s 2026 generative AI report, next to Search Shift’s search pull | year over year (US monthly app users) |
| DeepSeek, Microsoft 365 Copilot | DeepSeek and Microsoft 365 Copilot were the only two down on both: 19% and 45% on search, 23% and 31% on app users. | Similarweb’s 2026 generative AI report, next to Search Shift’s search pull | year over year (US monthly app users) |
| Meta AI | Similarweb had its US app users up 435%, the fastest growth of any assistant in its report. | Similarweb’s 2026 generative AI report | year over year (US monthly app users) |
Which chatbots US adults had used
| Tool | What the post says | Source | Date |
|---|---|---|---|
| ChatGPT, Gemini, Grok, Claude | 44% said ChatGPT, 24% Gemini, 8% Grok and 6% Claude. | Pew Research | February 2026 |
Ranking 3: browser extensions
| Extension | What the post says | Source | Date |
|---|---|---|---|
| Grammarly, Sider | listed Grammarly at 40,000,000 users with a 3.9 rating, eight times the next AI extension, Sider, at 5,000,000 | Chrome Web Store, Grammarly listing | October 19, 2026 |
| Monica, Merlin, MaxAI | Monica had 3,000,000 users, Merlin 900,000 and MaxAI 700,000. The store rounds these, so treat them as minimums. | Chrome Web Store | October 19, 2026 |
| ChatGPT search extension | OpenAI’s own ChatGPT search extension, the one that makes ChatGPT your default search, showed 4,000,000 users and the lowest rating of the lot, 3.3 from 1.6K ratings. | Chrome Web Store | October 19, 2026 |
Ranking 4: developer usage
| Tool | What the post says | Source | Date |
|---|---|---|---|
| Claude Code | The leader on October 17, 2026 was Claude Code, at 1.46 trillion tokens in a single day. | OpenRouter | October 17, 2026 |
| Hermes Agent | Hermes Agent was close behind at 1.29 trillion, and 7 of the top 10 were coding agents, including Kilo Code, Cline and OpenAI’s Codex. | OpenRouter | October 17, 2026 |
All four measures together
| Result | What the post says | Source | Date |
|---|---|---|---|
| Top 10 | our October 2026 top 10 runs ChatGPT, Gemini, Grammarly, Claude, Canva, Grok, Character AI, Perplexity, NotebookLM, DeepSeek. | Search Shift, search demand, extension installs, chatbot visits and developer usage together | October 2026 |
- Reference: https://medium.com/@thesearchshift/the-most-popular-ai-tools-in-2026-ranked-four-different-ways-bab8287ca7f0
- Reference: https://rctrl.com
- Reference: https://sites.google.com/view/search-shift-notes/popular-ai-tools-four-rankings
- Reference: https://www.pewresearch.org/chart/americans-report-using-chatgpt-far-more-than-other-chatbots/
- Reference: https://chromewebstore.google.com/detail/grammarly-ai-writing-assi/kbfnbcaeplbcioakkpcpgfkobkghlhen
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