Cognigy vs Sierra:Which is more popular by branded search?
In August 2026, Sierra had more branded searches than Cognigy among AI customer service agent platforms worldwide. Sierra was estimated to have 33.1K branded searches compared to Cognigy’s 6.6K, and held a 42.3% Share of Search versus Cognigy’s 8.4%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
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Which is more popular in search, Cognigy 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, Cognigy. 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 Cognigy and Sierra comparison changed over the last 12 months?
3 findings
- Sierra was ahead of Cognigy in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Cognigy’s estimated Share of Search among AI customer service agent platforms worldwide moved from 14.8% to 8.4%, and its estimated monthly branded searches moved from 12.1K to 6.6K.
- 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%.
In August 2026, Cognigy lost estimated Share of Search among AI customer service agent platforms worldwide, from 10.2% to 8.4%.
How each brand is measured
Brandwave collects information about searches that people make online using Cognigy’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.
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