AI model companies:Which are searched most?
In September 2026, OpenAI was the most searched among AI model companies worldwide, with an estimated 6.1M branded searches and 48.1% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
OpenAI48.1%
Anthropic39.3%Mistral AI10%
xAI1.6%
Google DeepMind1.1%
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Share of SearchLeaderboard
Compare the ai model companies people choose between. 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 OpenAI, Anthropic, Mistral AI. The figures are in the table below the chart.
View monthly share of search table
| Month | OpenAI | Anthropic | Mistral AI | xAI | Google DeepMind |
|---|---|---|---|---|---|
| Oct 2025 | 78.1% | 7% | 10.9% | 3.1% | 0.77% |
| Nov 2025 | 76.7% | 8.4% | 10.7% | 3.1% | 1.1% |
| Dec 2025 | 81.5% | 6% | 9.4% | 2.2% | 0.81% |
| Jan 2026 | 66.5% | 13.3% | 13.9% | 4.9% | 1.5% |
| Feb 2026 | 43% | 43% | 9% | 3.9% | 1.2% |
| Mar 2026 | 65.7% | 24.2% | 7.5% | 2.2% | 0.44% |
| Apr 2026 | 56.5% | 30.9% | 9.7% | 2.3% | 0.68% |
| May 2026 | 58.9% | 26.4% | 10.9% | 2.9% | 0.87% |
| Jun 2026 | 42% | 42% | 12.6% | 2.5% | 0.92% |
| Jul 2026 | 55.1% | 30.2% | 11.5% | 2.2% | 1% |
| Aug 2026 | 54.8% | 30% | 11.4% | 2.2% | 1.5% |
| Sep 2026 | 48.1% | 39.3% | 10% | 1.6% | 1.1% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 48.1% | 6.1M | +22.4% | -6.8 points | |
| 2, held 2nd | 39.3% | 5M | +82.5% | +9.2 points | |
| 3, held 3rd | 10% | 1.3M | +22.4% | -1.4 points | |
| 4, held 4th | 1.6% | 201K | 0% | -0.6 points | |
| 5, held 5th | 1.1% | 135K | 0% | -0.4 points |
1.
OpenAI48.1%
Held 1st. 6.1M estimated branded searches, +22.4% vs prior month. Share -6.8 points.
39.3%
Held 2nd. 5M estimated branded searches, +82.5% vs prior month. Share +9.2 points.
10%
Held 3rd. 1.3M estimated branded searches, +22.4% vs prior month. Share -1.4 points.
4.
xAI
1.6%
Held 4th. 201K estimated branded searches, 0% vs prior month. Share -0.6 points.
1.1%
Held 5th. 135K estimated branded searches, 0% vs prior month. Share -0.4 points.
Compare search popularity between leading brands
Which brand is most popular in search among AI model companies worldwide?
5 brands
In September 2026, OpenAI was the most searched among AI model companies worldwide, with an estimated 6.1M branded searches and 48.1% estimated Share of Search within this set. Anthropic is in 2nd place, 8.8 percentage points behind at 39.3% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| 78.1% → 48.1% | 81.5%Dec 2025 | 42%Jun 2026 | 1st | |
| 7% → 39.3% | 43%Feb 2026 | 6%Dec 2025 | 3rd → 2nd | |
| 10.9% → 10% | 13.9%Jan 2026 | 7.5%Mar 2026 | 2nd → 3rd | |
| 3.1% → 1.6% | 4.9%Jan 2026 | 1.6%Sep 2026 | 4th | |
| 0.77% → 1.1% | 1.5%Aug 2026 | 0.44%Mar 2026 | 5th |
Each finding as a sentence
- Across the 12 months ending September 2026, OpenAI’s estimated Share of Search among AI model companies worldwide decreased from 78.1% to 48.1%.
- Across the 12 months ending September 2026, Anthropic’s estimated Share of Search among AI model companies worldwide increased from 7% to 39.3%.
- Across the 12 months ending September 2026, Mistral AI’s estimated Share of Search among AI model companies worldwide decreased from 10.9% to 10%.
- Across the 12 months ending September 2026, xAI’s estimated Share of Search among AI model companies worldwide decreased from 3.1% to 1.6%.
- Across the 12 months ending September 2026, OpenAI’s estimated Share of Search among AI model companies worldwide peaked at 81.5% in December 2025 and was lowest at 42% in June 2026.
- Across the 12 months ending September 2026, Anthropic’s estimated Share of Search among AI model companies worldwide peaked at 43% in February 2026 and was lowest at 6% in December 2025.
- Across the 12 months ending September 2026, Mistral AI’s estimated Share of Search among AI model companies worldwide peaked at 13.9% in January 2026 and was lowest at 7.5% in March 2026.
- Across the 12 months ending September 2026, xAI’s estimated Share of Search among AI model companies worldwide peaked at 4.9% in January 2026 and was lowest at 1.6% in September 2026.
- Across the 12 months ending September 2026, Google DeepMind’s estimated Share of Search among AI model companies worldwide peaked at 1.5% in August 2026 and was lowest at 0.44% in March 2026.
- Across the 12 months ending September 2026, Anthropic rose from 3rd to 2nd among AI model companies worldwide.
- Across the 12 months ending September 2026, Mistral AI fell from 2nd to 3rd among AI model companies worldwide.
- Across the 12 months ending September 2026, Google DeepMind held steady: its estimated Share of Search among AI model companies worldwide moved less than 0.5 percentage points.
How did search popularity change for AI model companies worldwide in September 2026?
5 changes

In September 2026, Anthropic gained estimated Share of Search among AI model companies worldwide, from 30% to 39.3%.

In September 2026, OpenAI lost estimated Share of Search among AI model companies worldwide, from 54.8% to 48.1%.
In September 2026, Mistral AI lost estimated Share of Search among AI model companies worldwide, from 11.4% to 10%.
In September 2026, xAI lost estimated Share of Search among AI model companies worldwide, from 2.2% to 1.6%.
Estimated monthly branded searches for Google DeepMind worldwide rose 49.2% over 12 measured months, from 90.5K to 135K in September 2026.

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