Brandwave

HeyGen vs Synthesia:Which is more popular?

In September 2026, HeyGen had more branded searches than Synthesia among AI avatar video platforms in New Zealand. HeyGen had about 3,600 branded searches, while Synthesia had 770. HeyGen made up 53% of all AI avatar video platform searches we track, and Synthesia accounted for 11.3%. When we asked ChatGPT and Google AI Overviews about AI avatar video platforms, HeyGen appeared in all five answers and Synthesia in four. HeyGen was mentioned before Synthesia in every answer.

Among AI avatar video platforms in New Zealand in September 2026

Who do people search for more?

HeyGen, about 5 searches for every 1 for Synthesia

HeyGen 3.6K searchesSynthesia 770 searches

Who does AI mention more?

HeyGen, mentioned in every answer we collected

HeyGen in 5 of 5Synthesia in 4 of 5

Who does AI recommend more?

HeyGen, named ahead of Synthesia in every answer

HeyGen first in 4Synthesia never first

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Top AI avatar video platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, HeyGen appeared in all five answers. Synthesia was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. HeyGen was listed before Synthesia in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. HeyGen1st
  2. Synthesia2nd
  3. D-ID3rd
  4. Colossyan4th
  5. Elai–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • HeyGen5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Synthesia4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • D-ID3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Colossyan2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Elai0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI avatar video platforms

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Is HeyGen or Synthesia more popular in search?

This chart shows how often people search Google for HeyGen and Synthesia by name. Each line represents a brand's share of searches for all five AI avatar video platforms we track, month by month, from searches in New Zealand.

HeyGen and Synthesia among AI avatar video platforms in New Zealand, by month

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

View monthly share of searches table
MonthHeyGenD-IDSynthesiaColossyanElai
Oct 202547.7%31.8%19.6%0.27%0.53%
Nov 202548%32%19.3%0.27%0.4%
Dec 202548.8%32%18.5%0.51%0.17%
Jan 202654.1%28.6%16.8%0.3%0.15%
Feb 202654.1%28.5%16.5%0.45%0.45%
Mar 202653.3%29.1%17.2%0.24%0.12%
Apr 202659.1%25.5%14.9%0.4%0.13%
May 202655.6%30.3%13.7%0.25%0.13%
Jun 202659.3%25.6%14.6%0.4%0.13%
Jul 202656.8%30%12.6%0.32%0.32%
Aug 202660.4%26.1%12.9%0.41%0.14%
Sep 202653%35.3%11.3%0.15%0.15%

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

3 findings

How did search popularity change for New Zealand AI avatar video platforms in September 2026?

2 changes
  1. In September 2026, HeyGen lost share of searches among AI avatar video platforms in New Zealand, from 60.4% to 53%.

  2. In September 2026, Synthesia lost share of searches among AI avatar video platforms in New Zealand, from 12.9% to 11.3%.

How are branded searches counted?

4 search terms

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

1 branded search term

  • heygen

Synthesia

3 branded search terms

  • synthesia
  • synthesia ai
  • synthesia io

How the Brand Demand Index is measured

Other head-to-heads among AI avatar video platforms

Creator with pink hair and a pink jacket

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