Brandwave

HeyGen vs Synthesia:Which is more popular by branded search?

In August 2026, HeyGen had more branded searches than Synthesia among AI avatar video platforms worldwide. HeyGen was estimated to have 1.7M branded searches compared to Synthesia’s 258K, and held an 86.2% Share of Search versus Synthesia’s 13.2%. These are worldwide searches for English-language branded terms.

Share of Search among AI avatar video platforms worldwide in August 2026Which is more popular in search, HeyGen or Synthesia?
HeyGen86.2%1.7M searches
vs
Synthesia13.2%258K searches

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Which is more popular in search, HeyGen or Synthesia?

Compare tools for creating business and marketing videos using generated presenters. 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.

HeyGen and Synthesia among AI avatar video platforms worldwide, by month

Share of Search by month for HeyGen, Synthesia. The figures are in the table below the chart.

View monthly share of search table
MonthHeyGenSynthesiaColossyanD-IDElai
Oct 202576.4%22.9%0.6%0.04%0.05%
Nov 202579.4%19.9%0.6%0.04%0.04%
Dec 202579.5%19.9%0.51%0.06%0.03%
Jan 202682.1%17.2%0.55%0.08%0.03%
Feb 202684.5%14.8%0.58%0.07%0.03%
Mar 202684.5%14.8%0.59%0.07%0.03%
Apr 202684.6%14.8%0.48%0.06%0.03%
May 202686.6%12.9%0.41%0.05%0.03%
Jun 202682.6%16.8%0.47%0.05%0.02%
Jul 202683.9%15.6%0.47%0.04%0.02%
Aug 202686.2%13.2%0.52%0.05%0.02%
Sep 2026—————

How has the HeyGen and Synthesia comparison changed over the last 12 months?

  • HeyGen was ahead of Synthesia in every measured month of the 11 months ending August 2026.
  • Across the 11 months ending August 2026, HeyGen’s estimated Share of Search among AI avatar video platforms worldwide moved from 76.4% to 86.2%, and its estimated monthly branded searches moved from 1.9M to 1.7M.
  • Across the 11 months ending August 2026, Synthesia’s estimated Share of Search among AI avatar video platforms worldwide moved from 22.9% to 13.2%, and its estimated monthly branded searches moved from 567K to 258K.

How did search popularity change for AI avatar video platforms worldwide in August 2026?

  1. In August 2026, HeyGen gained estimated Share of Search among AI avatar video platforms worldwide, from 83.9% to 86.2%.

  2. In August 2026, Synthesia lost estimated Share of Search among AI avatar video platforms worldwide, from 15.6% to 13.2%.

How each brand is measured

Brandwave collects information about searches that people make online using HeyGen’s and Synthesia’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.

HeyGen

3 branded search terms

  • heygen
  • heygen ai
  • heygen ai video generator

Synthesia

3 branded search terms

  • synthesia
  • synthesia ai video
  • synthesia ai video generator

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

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.