--- title: "AI evaluation platforms: Which brands are most popular in search?" description: "Compare the platforms used to evaluate AI output. Share of Search among LangSmith, Arize, Patronus AI, Braintrust and Galileo, the AI evaluation platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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." canonical: "https://gobrandwave.com/demand/global-en/categories/ai-evaluation-platforms" publisher: "Brandwave" --- # AI evaluation platforms: Which brands are most popular in search? Compare the platforms used to evaluate AI output. Share of Search among LangSmith, Arize, Patronus AI, Braintrust and Galileo, the AI evaluation platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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. ## Key facts - **Competitive set**: AI evaluation platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: LangSmith, 77.6% ## Which brand is most popular in search among AI evaluation platforms worldwide? - 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. - 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. ## Compare search popularity between leading brands - [LangSmith vs Arize: compare search popularity](/demand/global-en/compare/arize-vs-langsmith): 77.6% against 15.5% Share of Search. - [LangSmith vs Patronus AI: compare search popularity](/demand/global-en/compare/langsmith-vs-patronus-ai): 77.6% against 3.8% Share of Search. - [LangSmith vs Braintrust: compare search popularity](/demand/global-en/compare/braintrust-vs-langsmith): 77.6% against 3% Share of Search. - [Arize vs Patronus AI: compare search popularity](/demand/global-en/compare/arize-vs-patronus-ai): 15.5% against 3.8% Share of Search. - [Arize vs Braintrust: compare search popularity](/demand/global-en/compare/arize-vs-braintrust): 15.5% against 3% Share of Search. - [Patronus AI vs Braintrust: compare search popularity](/demand/global-en/compare/braintrust-vs-patronus-ai): 3.8% against 3% Share of Search. ## How did search popularity change for AI evaluation platforms worldwide in August 2026? - 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. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | LangSmith | 77.6% | 74K | -18.2% | LangSmith | | 2 | Arize | 15.5% | 14.8K | +49.5% | Arize | | 3 | Patronus AI | 3.8% | 3.6K | 0.0% | Patronus AI | | 4 | Braintrust | 3% | 2.9K | +20.8% | Braintrust | | 5 | Galileo | 0.12% | 110 | -47.6% | Galileo | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | LangSmith | 74K | 84.7% | 1 | | Oct 2025 | Arize | 9.9K | 11.3% | 2 | | Oct 2025 | Braintrust | 1.6K | 1.8% | 3 | | Oct 2025 | Patronus AI | 1.6K | 1.8% | 4 | | Oct 2025 | Galileo | 260 | 0.3% | 5 | | Nov 2025 | LangSmith | 74K | 86.8% | 1 | | Nov 2025 | Arize | 8.1K | 9.5% | 2 | | Nov 2025 | Braintrust | 1.6K | 1.9% | 3 | | Nov 2025 | Patronus AI | 1.3K | 1.5% | 4 | | Nov 2025 | Galileo | 210 | 0.25% | 5 | | Dec 2025 | LangSmith | 74K | 84.4% | 1 | | Dec 2025 | Arize | 9.9K | 11.3% | 2 | | Dec 2025 | Braintrust | 1.9K | 2.2% | 3 | | Dec 2025 | Patronus AI | 1.6K | 1.8% | 4 | | Dec 2025 | Galileo | 260 | 0.3% | 5 | | Jan 2026 | LangSmith | 74K | 83.4% | 1 | | Jan 2026 | Arize | 9.9K | 11.2% | 2 | | Jan 2026 | Braintrust | 2.9K | 3.3% | 3 | | Jan 2026 | Patronus AI | 1.6K | 1.8% | 4 | | Jan 2026 | Galileo | 320 | 0.36% | 5 | | Feb 2026 | LangSmith | 74K | 83.6% | 1 | | Feb 2026 | Arize | 9.9K | 11.2% | 2 | | Feb 2026 | Braintrust | 2.4K | 2.7% | 3 | | Feb 2026 | Patronus AI | 1.9K | 2.1% | 4 | | Feb 2026 | Galileo | 320 | 0.36% | 5 | | Mar 2026 | LangSmith | 90.5K | 86.1% | 1 | | Mar 2026 | Arize | 9.9K | 9.4% | 2 | | Mar 2026 | Patronus AI | 2.4K | 2.3% | 3 | | Mar 2026 | Braintrust | 1.9K | 1.8% | 4 | | Mar 2026 | Galileo | 390 | 0.37% | 5 | | Apr 2026 | LangSmith | 90.5K | 85.8% | 1 | | Apr 2026 | Arize | 9.9K | 9.4% | 2 | | Apr 2026 | Braintrust | 2.4K | 2.3% | 3 | | Apr 2026 | Patronus AI | 2.4K | 2.3% | 4 | | Apr 2026 | Galileo | 260 | 0.25% | 5 | | May 2026 | LangSmith | 90.5K | 84.1% | 1 | | May 2026 | Arize | 12.1K | 11.2% | 2 | | May 2026 | Braintrust | 2.4K | 2.2% | 3 | | May 2026 | Patronus AI | 2.4K | 2.2% | 4 | | May 2026 | Galileo | 210 | 0.2% | 5 | | Jun 2026 | LangSmith | 90.5K | 84.9% | 1 | | Jun 2026 | Arize | 9.9K | 9.3% | 2 | | Jun 2026 | Patronus AI | 3.6K | 3.4% | 3 | | Jun 2026 | Braintrust | 2.4K | 2.3% | 4 | | Jun 2026 | Galileo | 210 | 0.2% | 5 | | Jul 2026 | LangSmith | 90.5K | 84.9% | 1 | | Jul 2026 | Arize | 9.9K | 9.3% | 2 | | Jul 2026 | Patronus AI | 3.6K | 3.4% | 3 | | Jul 2026 | Braintrust | 2.4K | 2.3% | 4 | | Jul 2026 | Galileo | 210 | 0.2% | 5 | | Aug 2026 | LangSmith | 74K | 77.6% | 1 | | Aug 2026 | Arize | 14.8K | 15.5% | 2 | | Aug 2026 | Patronus AI | 3.6K | 3.8% | 3 | | Aug 2026 | Braintrust | 2.9K | 3% | 4 | | Aug 2026 | Galileo | 110 | 0.12% | 5 | | Sep 2026 | Arize | — | — | — | | Sep 2026 | Braintrust | — | — | — | | Sep 2026 | Galileo | — | — | — | | Sep 2026 | LangSmith | — | — | — | | Sep 2026 | Patronus AI | — | — | — | ## What is being compared - **Arize**: Measured on the search term “arize”. - **Braintrust**: Measured on the search term “braintrust ai”. - **Galileo**: Measured on the search term “galileo financial”. - **LangSmith**: Measured on the search term “langsmith”. - **Patronus AI**: Measured on the search term “patronus ai”. - [Arize](/demand/global-en/brands/arize) - [Braintrust](/demand/global-en/brands/braintrust) - [Galileo](/demand/global-en/brands/galileo) - [LangSmith](/demand/global-en/brands/langsmith) - [Patronus AI](/demand/global-en/brands/patronus-ai) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Which brand is most popular in search among AI evaluation platforms worldwide? 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. ## Cite this page Brandwave. "AI evaluation platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/ai-evaluation-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-evaluation-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.