AI evaluation platforms:Which brands are most popular in search?
In August 2026, LangSmith was the most searched among AI evaluation platforms worldwide, with an estimated 74K branded searches and 77.6% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
LangSmith77.6%
Arize15.5%- Patronus AI3.8%
Braintrust3%
Galileo0.12%
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Share of SearchLeaderboard
Compare the platforms used to evaluate AI output. 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 LangSmith, Arize, Patronus AI, Braintrust. The figures are in the table below the chart.
View monthly share of search table
| Month | LangSmith | Arize | Patronus AI | Braintrust | Galileo |
|---|---|---|---|---|---|
| Oct 2025 | 84.7% | 11.3% | 1.8% | 1.8% | 0.3% |
| Nov 2025 | 86.8% | 9.5% | 1.5% | 1.9% | 0.25% |
| Dec 2025 | 84.4% | 11.3% | 1.8% | 2.2% | 0.3% |
| Jan 2026 | 83.4% | 11.2% | 1.8% | 3.3% | 0.36% |
| Feb 2026 | 83.6% | 11.2% | 2.1% | 2.7% | 0.36% |
| Mar 2026 | 86.1% | 9.4% | 2.3% | 1.8% | 0.37% |
| Apr 2026 | 85.8% | 9.4% | 2.3% | 2.3% | 0.25% |
| May 2026 | 84.1% | 11.2% | 2.2% | 2.2% | 0.2% |
| Jun 2026 | 84.9% | 9.3% | 3.4% | 2.3% | 0.2% |
| Jul 2026 | 84.9% | 9.3% | 3.4% | 2.3% | 0.2% |
| Aug 2026 | 77.6% | 15.5% | 3.8% | 3% | 0.12% |
| Sep 2026 | — | — | — | — | — |
This month’s ranking, August 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 77.6% | 74K | -18.2% | -7.3 points | |
| 2, held 2nd | 15.5% | 14.8K | +49.5% | +6.2 points | |
| 3, held 3rd | 3.8% | 3.6K | 0% | +0.4 points | |
| 4, held 4th | 3% | 2.9K | +20.8% | +0.8 points | |
| 5, held 5th | 0.12% | 110 | -47.6% | -0.1 points |
77.6%
Held 1st. 74K estimated branded searches, -18.2% vs prior month. Share -7.3 points.
2.
Arize15.5%
Held 2nd. 14.8K estimated branded searches, +49.5% vs prior month. Share +6.2 points.
3.8%
Held 3rd. 3.6K estimated branded searches, 0% vs prior month. Share +0.4 points.
3%
Held 4th. 2.9K estimated branded searches, +20.8% vs prior month. Share +0.8 points.
5.
Galileo0.12%
Held 5th. 110 estimated branded searches, -47.6% vs prior month. Share -0.1 points.
Compare search popularity between leading brands

LangSmith vs Arize: compare search popularity
LangSmith vs Patronus AI: compare search popularity
LangSmith vs Braintrust: compare search popularity
Arize vs Patronus AI: compare search popularity
Arize vs Braintrust: compare search popularity
Patronus AI vs Braintrust: compare search popularity- Compare any of these brands
Which brand is most popular in search among AI evaluation platforms worldwide?
5 brands
In August 2026, LangSmith was the most searched among AI evaluation platforms worldwide, with an estimated 74K branded searches and 77.6% estimated Share of Search within this set. Arize is in 2nd place, 62 percentage points behind at 15.5% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| 84.7% → 77.6% | 86.8%Nov 2025 | 77.6%Aug 2026 | 1st | |
| 11.3% → 15.5% | 15.5%Aug 2026 | 9.3%Jun 2026 | 2nd | |
| Patronus AI | 1.8% → 3.8% | 3.8%Aug 2026 | 1.5%Nov 2025 | 4th → 3rd |
| 1.8% → 3% | 3.3%Jan 2026 | 1.8%Mar 2026 | 3rd → 4th | |
| 0.3% → 0.12% | 0.37%Mar 2026 | 0.12%Aug 2026 | 5th |
Each finding as a sentence
- Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among AI evaluation platforms worldwide decreased from 84.7% to 77.6%.
- Across the 11 months ending August 2026, Arize’s estimated Share of Search among AI evaluation platforms worldwide increased from 11.3% to 15.5%.
- Across the 11 months ending August 2026, Patronus AI’s estimated Share of Search among AI evaluation platforms worldwide increased from 1.8% to 3.8%.
- Across the 11 months ending August 2026, Braintrust’s estimated Share of Search among AI evaluation platforms worldwide increased from 1.8% to 3%.
- Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among AI evaluation platforms worldwide peaked at 86.8% in November 2025 and was lowest at 77.6% in August 2026.
- Across the 11 months ending August 2026, Arize’s estimated Share of Search among AI evaluation platforms worldwide peaked at 15.5% in August 2026 and was lowest at 9.3% in June 2026.
- Across the 11 months ending August 2026, Patronus AI’s estimated Share of Search among AI evaluation platforms worldwide peaked at 3.8% in August 2026 and was lowest at 1.5% in November 2025.
- Across the 11 months ending August 2026, Braintrust’s estimated Share of Search among AI evaluation platforms worldwide peaked at 3.3% in January 2026 and was lowest at 1.8% in March 2026.
- Across the 11 months ending August 2026, Patronus AI rose from 4th to 3rd among AI evaluation platforms worldwide.
- Across the 11 months ending August 2026, Braintrust fell from 3rd to 4th among AI evaluation platforms worldwide.
- Across the 11 months ending August 2026, Galileo held steady: its estimated Share of Search among AI evaluation platforms worldwide moved less than 0.5 percentage points.
How did search popularity change for AI evaluation platforms worldwide in August 2026?
5 changes

In August 2026, Arize gained estimated Share of Search among AI evaluation platforms worldwide, from 9.3% to 15.5%.

In August 2026, Braintrust gained estimated Share of Search among AI evaluation platforms worldwide, from 2.3% to 3%.

In August 2026, LangSmith lost estimated Share of Search among AI evaluation platforms worldwide, from 84.9% to 77.6%.
Estimated monthly branded searches for Patronus AI worldwide rose 125% over 11 measured months, from 1.6K to 3.6K in August 2026.

Estimated monthly branded searches for Galileo worldwide fell 57.7% over 11 measured months, from 260 to 110 in August 2026.

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