ChatGPT vs Claude:Which is searched more?
In September 2026, ChatGPT had more branded searches than Claude among generative AI platforms worldwide. ChatGPT had about 1903.3 million branded searches, while Claude had 116.6 million. ChatGPT made up 69.3% of all generative AI platform searches we track, and Claude accounted for 4.2%. These are worldwide searches for English-language branded terms.
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Is ChatGPT or Claude more popular in search?
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 searches by month for ChatGPT, Claude. 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 Claude comparison changed over the last 12 months?
3 findings
- ChatGPT was ahead of Claude 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, Claude’s share of searches among generative AI platforms worldwide moved from 0.67% to 4.2%, and its estimated monthly branded searches moved from 15.6M to 117M.
How did search popularity change for generative AI platforms worldwide in September 2026?
2 changes
In September 2026, ChatGPT gained share of searches among generative AI platforms worldwide, from 66.5% to 69.3%.
Claude’s share of searches among generative AI platforms worldwide has lost ground for 3 months in a row, from 4.8% to 4.2% in September 2026.
How are branded searches counted?
58 search terms
Brandwave collects information about searches that people make online using ChatGPT’s and Claude’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
Claude
30 branded search terms
- ai claude
- anthropic claude
- anthropic claude ai
- anthropic's claude
- anthropics claude
- Claude
- claude ai
- claude ai anthropic
- claude ai app
- claude ai assistant
- claude ai model
- claude ai pro
- claude anthropic
- claude app
- claude artifacts
- claude artificial intelligence
- claude cowork
- claude design
- claude designs
- claude desktop
- claude for chrome
- claude for excel
- claude haiku
- claude max
- claude models
- claude opus
- claude pro
- claude projects
- claude sonnet
- claude.ai
Other head-to-heads among generative AI platforms
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