--- title: "Decagon vs Sierra: Which is more popular by branded search?" description: "Which is more popular in search, Decagon or Sierra? Compare estimated monthly branded-search demand and Share of Search inside the AI customer service agent platforms set worldwide. 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/compare/decagon-vs-sierra-ai" publisher: "Brandwave" --- # Decagon vs Sierra: Which is more popular by branded search? Which is more popular in search, Decagon or Sierra? Compare estimated monthly branded-search demand and Share of Search inside the AI customer service agent platforms set worldwide. 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 - **Compared**: Decagon and Sierra - **Competitive set**: AI customer service agent platforms - **Market**: Global - **Month measured**: Aug 2026 - **Decagon Share of Search**: 12.6% - **Sierra Share of Search**: 42.3% ## Which is more popular in search, Decagon or Sierra? - In August 2026, Sierra had more branded searches than Decagon among AI customer service agent platforms worldwide. Sierra was estimated to have 33.1K branded searches compared to Decagon’s 9.9K, and held a 42.3% Share of Search versus Decagon’s 12.6%. - Sierra was ahead of Decagon in every measured month of the 11 months ending August 2026. - Across the 11 months ending August 2026, Decagon’s estimated Share of Search among AI customer service agent platforms worldwide moved from 14.8% to 12.6%, and its estimated monthly branded searches moved from 12.1K to 9.9K. - Across the 11 months ending August 2026, Sierra’s estimated Share of Search among AI customer service agent platforms worldwide moved from 27.1% to 42.3%, and its estimated monthly branded searches moved from 22.2K to 33.1K. ## 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%. - Estimated monthly branded searches for Decagon worldwide fell 18.2% over 11 measured months, from 12.1K to 9.9K in August 2026. ## Month by month | Month | Decagon estimated searches | Decagon Share of Search | Decagon rank | Sierra estimated searches | Sierra Share of Search | Sierra rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.1K | 14.8% | 4 | 22.2K | 27.1% | 2 | | Nov 2025 | 12.1K | 15.1% | 4 | 27.1K | 33.7% | 2 | | Dec 2025 | 12.1K | 18.3% | 3 | 22.2K | 33.5% | 2 | | Jan 2026 | 12.1K | 14.4% | 3 | 27.1K | 32.2% | 2 | | Feb 2026 | 12.1K | 14.4% | 3 | 27.1K | 32.2% | 2 | | Mar 2026 | 12.1K | 12.1% | 3 | 33.1K | 33.1% | 2 | | Apr 2026 | 9.9K | 11.2% | 4 | 33.1K | 37.4% | 2 | | May 2026 | 9.9K | 11.5% | 3 | 33.1K | 38.4% | 2 | | Jun 2026 | 9.9K | 10.6% | 3 | 33.1K | 35.4% | 2 | | Jul 2026 | 9.9K | 12.4% | 3 | 33.1K | 41.5% | 1 | | Aug 2026 | 9.9K | 12.6% | 3 | 33.1K | 42.3% | 1 | | Sep 2026 | — | — | — | — | — | — | ## How each brand is measured Brandwave collects information about searches that people make online using Decagon’s and Sierra’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. - **Decagon**: Measured on the search term “decagon ai”. - **Sierra**: Measured on the search term “sierra ai”. - [Decagon profile](/demand/global-en/brands/decagon) - [Sierra profile](/demand/global-en/brands/sierra-ai) - [All AI customer service agent platforms worldwide](/demand/global-en/categories/ai-customer-service-agent-platforms): The set both shares are measured inside, 5 brands. ## 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 is more popular in search, Decagon or Sierra? In August 2026, Sierra had more branded searches than Decagon among AI customer service agent platforms worldwide. Sierra was estimated to have 33.1K branded searches compared to Decagon’s 9.9K, and held a 42.3% Share of Search versus Decagon’s 12.6%. ## Cite this page Brandwave. "Decagon vs Sierra: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/decagon-vs-sierra-ai This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/decagon-vs-sierra-ai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.