Decagon vs Sierra:Which is more popular by branded search?
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%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
Follow Decagon vs Sierra and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, Decagon or Sierra?
Compare services and tools used to automate customer support with AI agents. 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 Sierra, Decagon. The figures are in the table below the chart.
View monthly share of search table
| Month | Sierra | Intercom Fin | Decagon | Cognigy | Forethought |
|---|---|---|---|---|---|
| Oct 2025 | 27.1% | 40.4% | 14.8% | 14.8% | 2.9% |
| Nov 2025 | 33.7% | 33.7% | 15.1% | 15.1% | 2.4% |
| Dec 2025 | 33.5% | 33.5% | 18.3% | 12.2% | 2.4% |
| Jan 2026 | 32.2% | 39.3% | 14.4% | 11.8% | 2.3% |
| Feb 2026 | 32.2% | 39.3% | 14.4% | 11.8% | 2.3% |
| Mar 2026 | 33.1% | 40.5% | 12.1% | 9.9% | 4.4% |
| Apr 2026 | 37.4% | 37.4% | 11.2% | 11.2% | 2.7% |
| May 2026 | 38.4% | 38.4% | 11.5% | 9.4% | 2.2% |
| Jun 2026 | 35.4% | 43.3% | 10.6% | 8.7% | 2% |
| Jul 2026 | 41.5% | 34% | 12.4% | 10.2% | 2% |
| Aug 2026 | 42.3% | 34.6% | 12.6% | 8.4% | 2% |
| Sep 2026 | — | — | — | — | — |
How has the Decagon and Sierra comparison changed over the last 12 months?
3 findings
- 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?
2 changes
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.
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.
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.