Brandwave

AI customer service agent platforms:Which brands are most popular in search?

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.

Share of Search, August 2026
  1. Sierra42.3%
  2. Intercom Fin34.6%
  3. Decagon12.6%
  4. Cognigy8.4%
  5. Forethought2%

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Share of SearchLeaderboard

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 among AI customer service agent platforms worldwide, by month

Share of Search by month for Sierra, Intercom Fin, Decagon, Cognigy, Forethought. The figures are in the table below the chart.

View monthly share of search table
MonthSierraIntercom FinDecagonCognigyForethought
Oct 202527.1%40.4%14.8%14.8%2.9%
Nov 202533.7%33.7%15.1%15.1%2.4%
Dec 202533.5%33.5%18.3%12.2%2.4%
Jan 202632.2%39.3%14.4%11.8%2.3%
Feb 202632.2%39.3%14.4%11.8%2.3%
Mar 202633.1%40.5%12.1%9.9%4.4%
Apr 202637.4%37.4%11.2%11.2%2.7%
May 202638.4%38.4%11.5%9.4%2.2%
Jun 202635.4%43.3%10.6%8.7%2%
Jul 202641.5%34%12.4%10.2%2%
Aug 202642.3%34.6%12.6%8.4%2%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Sierra

    42.3%

    held 1st · 33.1K estimated branded searches · 0% vs prior month · +0.8 points

  2. 2.Intercom Fin

    34.6%

    held 2nd · 27.1K estimated branded searches · 0% vs prior month · +0.7 points

  3. 3.Decagon

    12.6%

    held 3rd · 9.9K estimated branded searches · 0% vs prior month · +0.2 points

  4. 4.Cognigy

    8.4%

    held 4th · 6.6K estimated branded searches · -18.6% vs prior month · -1.7 points

  5. 5.Forethought

    2%

    held 5th · 1.6K estimated branded searches · 0% vs prior month · 0 points

Compare search popularity between leading brands

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.

Global AI customer service agent platforms, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Sierra27.1% → 42.3%42.3%Aug 202627.1%Oct 20252nd → 1st
Intercom Fin40.4% → 34.6%43.3%Jun 202633.5%Dec 20251st → 2nd
Decagon14.8% → 12.6%18.3%Dec 202510.6%Jun 20264th → 3rd
Cognigy14.8% → 8.4%15.1%Nov 20258.4%Aug 20263rd → 4th
Forethought2.9% → 2%4.4%Mar 20262%Jul 20265th

Each finding as a sentence

  • 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.

How did search popularity change for AI customer service agent platforms worldwide in August 2026?

  1. In August 2026, Sierra gained estimated Share of Search among AI customer service agent platforms worldwide, from 41.5% to 42.3%.

  2. In August 2026, Intercom Fin gained estimated Share of Search among AI customer service agent platforms worldwide, from 34% to 34.6%.

  3. In August 2026, Cognigy lost estimated Share of Search among AI customer service agent platforms worldwide, from 10.2% to 8.4%.

  4. Estimated monthly branded searches for Forethought worldwide fell 33.3% over 11 measured months, from 2.4K to 1.6K in August 2026.

  5. Estimated monthly branded searches for Decagon worldwide fell 18.2% over 11 measured months, from 12.1K to 9.9K in August 2026.

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