Google Gemini vs OpenAI:Which is searched more?
In September 2026, Google Gemini had more branded searches than OpenAI among generative AI platforms worldwide. Google Gemini was estimated to have 688M branded searches compared to OpenAI’s 6.1M, and held a 98.2% Share of Search versus OpenAI’s 0.87%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Google Gemini or OpenAI?
Compare the platforms that provide large language models. 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.
Share of Search by month for Google Gemini, OpenAI. The figures are in the table below the chart.
View monthly share of search table
| Month | Google Gemini | OpenAI | Anthropic | Mistral AI | Cohere |
|---|---|---|---|---|---|
| Oct 2025 | 98.4% | 1.3% | 0.12% | 0.18% | <0.01% |
| Nov 2025 | 97.9% | 1.7% | 0.18% | 0.24% | <0.01% |
| Dec 2025 | 97.7% | 1.9% | 0.14% | 0.22% | <0.01% |
| Jan 2026 | 98.6% | 1% | 0.2% | 0.21% | <0.01% |
| Feb 2026 | 97.6% | 1.1% | 1.1% | 0.23% | <0.01% |
| Mar 2026 | 97% | 2% | 0.74% | 0.23% | <0.01% |
| Apr 2026 | 98.3% | 0.99% | 0.54% | 0.17% | <0.01% |
| May 2026 | 98.5% | 0.93% | 0.42% | 0.17% | <0.01% |
| Jun 2026 | 98.5% | 0.65% | 0.65% | 0.19% | <0.01% |
| Jul 2026 | 98.7% | 0.76% | 0.42% | 0.16% | <0.01% |
| Aug 2026 | 98.6% | 0.77% | 0.42% | 0.16% | <0.01% |
| Sep 2026 | 98.2% | 0.87% | 0.71% | 0.18% | <0.01% |
How has the Google Gemini and OpenAI comparison changed over the last 12 months?
3 findings
- Google Gemini was ahead of OpenAI in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Google Gemini’s estimated Share of Search among generative AI platforms worldwide moved from 98.4% to 98.2%, and its estimated monthly branded searches moved from 683M to 688M.
- Across the 12 months ending September 2026, OpenAI’s estimated Share of Search among generative AI platforms worldwide moved from 1.3% to 0.87%, and its estimated monthly branded searches moved from 9.1M to 6.1M.
How did search popularity change for generative AI platforms worldwide in September 2026?
1 change
Estimated monthly branded searches for OpenAI worldwide fell 33% over 12 measured months, from 9.1M to 6.1M in September 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Google Gemini’s and OpenAI’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.
Google Gemini
23 branded search terms
- ai gemini
- bard ai
- Gemini
- gemini advanced
- gemini ai
- gemini ai app
- gemini ai image
- gemini ai photo
- gemini ai photos
- gemini app
- gemini bard
- gemini deep research
- gemini google
- gemini image generator
- gemini live
- gemini pro
- gemini ultra
- google ai gemini
- google bard
- google gemini
- google gemini ai
- google gemini app
- googlegemini
OpenAI
1 branded search term
- openai
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