ChatGPT vs Mistral AI:Which is more popular?
In September 2026, ChatGPT had more branded searches than Mistral AI among generative AI platforms worldwide. ChatGPT had about 1903.3 million branded searches, while Mistral AI had 1.3 million. ChatGPT made up 69.3% of all generative AI platform searches we track, and Mistral AI accounted for 0.05%. When we asked ChatGPT and Google AI Overviews about generative AI platforms, ChatGPT appeared in four of the five answers and Mistral AI in none.
Who do people search for more?
ChatGPT, about 1490 searches for every 1 for Mistral AI
Who does AI mention more?
ChatGPT, mentioned in 4 of 5 answers, Mistral AI in 0
Who does AI recommend more?
ChatGPT, the only one of the two named
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Top generative AI platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, ChatGPT was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Mistral 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.
- ChatGPT1st
Claude2nd
Gemini3rd
Microsoft Copilot4th
Perplexity5th
Mistral AI–
Cohere–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Gemini5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- ChatGPT4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Claude4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Microsoft Copilot4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Perplexity3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Mistral AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Cohere0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about generative AI platforms
5 answers
Asked ChatGPT
“Which generative AI platform should I use?”
Asked ChatGPT
“What are the best generative AI platforms?”
Asked ChatGPT
“What's the best generative AI platform for a product team?”
Searched Google, AI Overview
“generative ai platforms”
Searched Google, AI Overview
“enterprise ai platform”
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 19, 2026.
Is ChatGPT or Mistral AI more popular in search?
This chart shows how often people search Google for ChatGPT and Mistral AI by name. Each line represents a brand's share of searches for all seven generative AI platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for ChatGPT, Mistral AI. The figures are in the table below the chart.
View monthly share of searches table
| Month | ChatGPT | Gemini | Claude | Microsoft Copilot | Perplexity | Mistral AI | Cohere |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 66.7% | 29.4% | 0.67% | 1.5% | 1.6% | 0.06% | <0.01% |
| Nov 2025 | 70.6% | 25.5% | 0.83% | 1.7% | 1.4% | 0.06% | <0.01% |
| Dec 2025 | 70% | 26.8% | 0.74% | 1.4% | 1% | 0.06% | <0.01% |
| Jan 2026 | 69.1% | 27.7% | 0.95% | 1.4% | 0.86% | 0.06% | <0.01% |
| Feb 2026 | 70.1% | 26% | 1.6% | 1.4% | 0.87% | 0.06% | <0.01% |
| Mar 2026 | 66% | 27.8% | 3.7% | 1.5% | 0.82% | 0.07% | <0.01% |
| Apr 2026 | 63% | 30.3% | 4.4% | 1.4% | 0.78% | 0.05% | <0.01% |
| May 2026 | 65.2% | 28.7% | 4.3% | 1.3% | 0.56% | 0.05% | <0.01% |
| Jun 2026 | 62.7% | 30.7% | 4.8% | 1.2% | 0.52% | 0.06% | <0.01% |
| Jul 2026 | 66.4% | 27.6% | 4.5% | 1% | 0.47% | 0.04% | <0.01% |
| Aug 2026 | 66.5% | 27.5% | 4.5% | 1% | 0.47% | 0.04% | <0.01% |
| Sep 2026 | 69.3% | 25% | 4.2% | 0.88% | 0.49% | 0.05% | <0.01% |
How has the ChatGPT and Mistral AI comparison changed over the last 12 months?
3 findings
- ChatGPT was ahead of Mistral AI in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, ChatGPT’s share of searches among generative AI platforms worldwide moved from 66.7% to 69.3%, and its estimated monthly branded searches moved from 1550M to 1903M.
- Across the 12 months ending September 2026, Mistral AI’s share of searches among generative AI platforms worldwide moved from 0.06% to 0.05%, and its estimated monthly branded searches held steady at 1.3M.
How did search popularity change for generative AI platforms worldwide in September 2026?
1 change
In September 2026, ChatGPT gained share of searches among generative AI platforms worldwide, from 66.5% to 69.3%.
How are branded searches counted?
31 search terms
Brandwave collects information about searches that people make online using ChatGPT’s and Mistral AI’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.
ChatGPT
28 branded search terms
- ai chatgpt
- chat gpt
- chat-gpt
- ChatGPT
- chatgpt 4
- chatgpt 4o
- chatgpt 5
- chatgpt ai
- chatgpt app
- chatgpt atlas
- chatgpt business
- chatgpt chatbot
- chatgpt desktop
- chatgpt go
- chatgpt image generator
- chatgpt images
- chatgpt openai
- chatgpt plus
- chatgpt pro
- chatgpt search
- chatgpt voice
- chatgpt web
- chatgpt website
- chatgpt5
- chatgptapp
- open ai chatgpt
- open chatgpt
- openai chatgpt
Mistral AI
3 branded search terms
- mistral
- mistral ai
- mistralai
Other head-to-heads among generative AI platforms
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