--- title: "AI customer service agent platforms: Which brands are most popular in search?" description: "Compare services and tools used to automate customer support with AI agents. Share of Search among Sierra, Intercom Fin, Decagon, Cognigy and Forethought, the AI customer service agent 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-customer-service-agent-platforms" publisher: "Brandwave" --- # AI customer service agent platforms: Which brands are most popular in search? Compare services and tools used to automate customer support with AI agents. Share of Search among Sierra, Intercom Fin, Decagon, Cognigy and Forethought, the AI customer service agent 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 customer service agent platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: Sierra, 42.3% ## Which brand is most popular in search among AI customer service agent platforms worldwide? - In August 2026, Sierra was the most searched among AI customer service agent platforms worldwide, with an estimated 33.1K branded searches and 42.3% estimated Share of Search within this set. - Intercom Fin is in 2nd place, 7.7 percentage points behind at 34.6% Share of Search. - Across the 11 months ending August 2026, Sierra’s estimated Share of Search among AI customer service agent platforms worldwide increased from 27.1% to 42.3%. - Across the 11 months ending August 2026, Intercom Fin’s estimated Share of Search among AI customer service agent platforms worldwide decreased from 40.4% to 34.6%. - Across the 11 months ending August 2026, Decagon’s estimated Share of Search among AI customer service agent platforms worldwide decreased from 14.8% to 12.6%. - Across the 11 months ending August 2026, Cognigy’s estimated Share of Search among AI customer service agent platforms worldwide decreased from 14.8% to 8.4%. - Across the 11 months ending August 2026, Forethought’s estimated Share of Search among AI customer service agent platforms worldwide decreased from 2.9% to 2%. - Across the 11 months ending August 2026, Intercom Fin’s estimated Share of Search among AI customer service agent platforms worldwide peaked at 43.3% in June 2026 and was lowest at 33.5% in December 2025. - Across the 11 months ending August 2026, Decagon’s estimated Share of Search among AI customer service agent platforms worldwide peaked at 18.3% in December 2025 and was lowest at 10.6% in June 2026. - Across the 11 months ending August 2026, Cognigy’s estimated Share of Search among AI customer service agent platforms worldwide peaked at 15.1% in November 2025 and was lowest at 8.4% in August 2026. - Across the 11 months ending August 2026, Forethought’s estimated Share of Search among AI customer service agent platforms worldwide peaked at 4.4% in March 2026 and was lowest at 2% in July 2026. - Across the 11 months ending August 2026, Sierra rose from 2nd to 1st among AI customer service agent platforms worldwide. - Across the 11 months ending August 2026, Intercom Fin fell from 1st to 2nd among AI customer service agent platforms worldwide. - Across the 11 months ending August 2026, Decagon rose from 4th to 3rd among AI customer service agent platforms worldwide. - Across the 11 months ending August 2026, Cognigy fell from 3rd to 4th among AI customer service agent platforms worldwide. ## Compare search popularity between leading brands - [Sierra vs Intercom Fin: compare search popularity](/demand/global-en/compare/intercom-fin-vs-sierra-ai): 42.3% against 34.6% Share of Search. - [Sierra vs Decagon: compare search popularity](/demand/global-en/compare/decagon-vs-sierra-ai): 42.3% against 12.6% Share of Search. - [Sierra vs Cognigy: compare search popularity](/demand/global-en/compare/cognigy-vs-sierra-ai): 42.3% against 8.4% Share of Search. - [Sierra vs Forethought: compare search popularity](/demand/global-en/compare/forethought-vs-sierra-ai): 42.3% against 2% Share of Search. - [Intercom Fin vs Decagon: compare search popularity](/demand/global-en/compare/decagon-vs-intercom-fin): 34.6% against 12.6% Share of Search. - [Intercom Fin vs Cognigy: compare search popularity](/demand/global-en/compare/cognigy-vs-intercom-fin): 34.6% against 8.4% Share of Search. - [Intercom Fin vs Forethought: compare search popularity](/demand/global-en/compare/forethought-vs-intercom-fin): 34.6% against 2% Share of Search. - [Decagon vs Cognigy: compare search popularity](/demand/global-en/compare/cognigy-vs-decagon): 12.6% against 8.4% Share of Search. - [Decagon vs Forethought: compare search popularity](/demand/global-en/compare/decagon-vs-forethought): 12.6% against 2% Share of Search. - [Cognigy vs Forethought: compare search popularity](/demand/global-en/compare/cognigy-vs-forethought): 8.4% against 2% Share of Search. ## How did search popularity change for AI customer service agent platforms worldwide in August 2026? - In August 2026, Sierra gained estimated Share of Search among AI customer service agent platforms worldwide, from 41.5% to 42.3%. - In August 2026, Intercom Fin gained estimated Share of Search among AI customer service agent platforms worldwide, from 34% to 34.6%. - In August 2026, Cognigy lost estimated Share of Search among AI customer service agent platforms worldwide, from 10.2% to 8.4%. - Estimated monthly branded searches for Forethought worldwide fell 33.3% over 11 measured months, from 2.4K to 1.6K in August 2026. - Estimated monthly branded searches for Decagon worldwide fell 18.2% over 11 measured months, from 12.1K to 9.9K in August 2026. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | Sierra | 42.3% | 33.1K | 0.0% | Sierra | | 2 | Intercom Fin | 34.6% | 27.1K | 0.0% | Intercom | | 3 | Decagon | 12.6% | 9.9K | 0.0% | Decagon | | 4 | Cognigy | 8.4% | 6.6K | -18.6% | NICE | | 5 | Forethought | 2% | 1.6K | 0.0% | Forethought | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Intercom Fin | 33.1K | 40.4% | 1 | | Oct 2025 | Sierra | 22.2K | 27.1% | 2 | | Oct 2025 | Cognigy | 12.1K | 14.8% | 3 | | Oct 2025 | Decagon | 12.1K | 14.8% | 4 | | Oct 2025 | Forethought | 2.4K | 2.9% | 5 | | Nov 2025 | Intercom Fin | 27.1K | 33.7% | 1 | | Nov 2025 | Sierra | 27.1K | 33.7% | 2 | | Nov 2025 | Cognigy | 12.1K | 15.1% | 3 | | Nov 2025 | Decagon | 12.1K | 15.1% | 4 | | Nov 2025 | Forethought | 1.9K | 2.4% | 5 | | Dec 2025 | Intercom Fin | 22.2K | 33.5% | 1 | | Dec 2025 | Sierra | 22.2K | 33.5% | 2 | | Dec 2025 | Decagon | 12.1K | 18.3% | 3 | | Dec 2025 | Cognigy | 8.1K | 12.2% | 4 | | Dec 2025 | Forethought | 1.6K | 2.4% | 5 | | Jan 2026 | Intercom Fin | 33.1K | 39.3% | 1 | | Jan 2026 | Sierra | 27.1K | 32.2% | 2 | | Jan 2026 | Decagon | 12.1K | 14.4% | 3 | | Jan 2026 | Cognigy | 9.9K | 11.8% | 4 | | Jan 2026 | Forethought | 1.9K | 2.3% | 5 | | Feb 2026 | Intercom Fin | 33.1K | 39.3% | 1 | | Feb 2026 | Sierra | 27.1K | 32.2% | 2 | | Feb 2026 | Decagon | 12.1K | 14.4% | 3 | | Feb 2026 | Cognigy | 9.9K | 11.8% | 4 | | Feb 2026 | Forethought | 1.9K | 2.3% | 5 | | Mar 2026 | Intercom Fin | 40.5K | 40.5% | 1 | | Mar 2026 | Sierra | 33.1K | 33.1% | 2 | | Mar 2026 | Decagon | 12.1K | 12.1% | 3 | | Mar 2026 | Cognigy | 9.9K | 9.9% | 4 | | Mar 2026 | Forethought | 4.4K | 4.4% | 5 | | Apr 2026 | Intercom Fin | 33.1K | 37.4% | 1 | | Apr 2026 | Sierra | 33.1K | 37.4% | 2 | | Apr 2026 | Cognigy | 9.9K | 11.2% | 3 | | Apr 2026 | Decagon | 9.9K | 11.2% | 4 | | Apr 2026 | Forethought | 2.4K | 2.7% | 5 | | May 2026 | Intercom Fin | 33.1K | 38.4% | 1 | | May 2026 | Sierra | 33.1K | 38.4% | 2 | | May 2026 | Decagon | 9.9K | 11.5% | 3 | | May 2026 | Cognigy | 8.1K | 9.4% | 4 | | May 2026 | Forethought | 1.9K | 2.2% | 5 | | Jun 2026 | Intercom Fin | 40.5K | 43.3% | 1 | | Jun 2026 | Sierra | 33.1K | 35.4% | 2 | | Jun 2026 | Decagon | 9.9K | 10.6% | 3 | | Jun 2026 | Cognigy | 8.1K | 8.7% | 4 | | Jun 2026 | Forethought | 1.9K | 2% | 5 | | Jul 2026 | Sierra | 33.1K | 41.5% | 1 | | Jul 2026 | Intercom Fin | 27.1K | 34% | 2 | | Jul 2026 | Decagon | 9.9K | 12.4% | 3 | | Jul 2026 | Cognigy | 8.1K | 10.2% | 4 | | Jul 2026 | Forethought | 1.6K | 2% | 5 | | Aug 2026 | Sierra | 33.1K | 42.3% | 1 | | Aug 2026 | Intercom Fin | 27.1K | 34.6% | 2 | | Aug 2026 | Decagon | 9.9K | 12.6% | 3 | | Aug 2026 | Cognigy | 6.6K | 8.4% | 4 | | Aug 2026 | Forethought | 1.6K | 2% | 5 | | Sep 2026 | Cognigy | — | — | — | | Sep 2026 | Decagon | — | — | — | | Sep 2026 | Forethought | — | — | — | | Sep 2026 | Intercom Fin | — | — | — | | Sep 2026 | Sierra | — | — | — | ## What is being compared - **Cognigy**: Measured on the search terms “cognigy” and “cognigy com”, summed into one figure. - **Decagon**: Measured on the search term “decagon ai”. - **Forethought**: Measured on the search term “forethought ai”. - **Intercom Fin**: Measured on the search term “fin ai”. - **Sierra**: Measured on the search term “sierra ai”. - [Cognigy](/demand/global-en/brands/cognigy) - [Decagon](/demand/global-en/brands/decagon) - [Forethought](/demand/global-en/brands/forethought) - [Intercom Fin](/demand/global-en/brands/intercom-fin) - [Sierra](/demand/global-en/brands/sierra-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 customer service agent platforms worldwide? In August 2026, Sierra was the most searched among AI customer service agent platforms worldwide, with an estimated 33.1K branded searches and 42.3% estimated Share of Search within this set. Worldwide · English terms: these are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "AI customer service agent platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/ai-customer-service-agent-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-customer-service-agent-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.