---
title: "HeyGen vs Synthesia: Which is searched more?"
description: "Is HeyGen or Synthesia more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI dubbing tools set worldwide. 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."
canonical: "https://gobrandwave.com/demand/global-en/categories/ai-dubbing-tools/compare/heygen-vs-synthesia"
publisher: "Brandwave"
---

# HeyGen vs Synthesia: Which is searched more?

Is HeyGen or Synthesia more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI dubbing tools set worldwide. 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.

## Key facts

- **Compared**: HeyGen and Synthesia
- **Competitive set**: AI dubbing tools
- **Market**: Global
- **Month measured**: Sep 2026
- **HeyGen Share of Search**: 21.1%
- **Synthesia Share of Search**: 2.7%

## Is HeyGen or Synthesia more popular in search?

- In September 2026, HeyGen had more branded searches than Synthesia among AI dubbing tools worldwide. HeyGen had about 2 million branded searches, while Synthesia had 250,000. HeyGen made up 21.1% of all AI dubbing tool searches we track, and Synthesia accounted for 2.7%.
- HeyGen was ahead of Synthesia in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, HeyGen’s share of searches among AI dubbing tools worldwide moved from 25.2% to 21.1%, and its estimated monthly branded searches moved from 2.2M to 2M.
- Across the 12 months ending September 2026, Synthesia’s share of searches among AI dubbing tools worldwide moved from 5.2% to 2.7%, and its estimated monthly branded searches moved from 457K to 250K.

## Top AI dubbing tools 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 three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. HeyGen was listed before Synthesia in four out of five answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| ElevenLabs | 1st | 3 of 3 | 2 of 2 | 5 of 5 |
| HeyGen | 2nd | 3 of 3 | 2 of 2 | 5 of 5 |
| Rask AI | 3rd | 3 of 3 | 0 of 2 | 3 of 5 |
| Synthesia | 4th | 2 of 3 | 1 of 2 | 3 of 5 |
| Dubverse | 5th | 1 of 3 | 1 of 2 | 2 of 5 |
| Papercup | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about AI dubbing tools

- Asked ChatGPT "Which AI dubbing tool should I use?": 1. HeyGen, 2. ElevenLabs, 3. Rask AI
- Asked ChatGPT "What are the best AI dubbing tools?": 1. HeyGen, 2. ElevenLabs, 3. Rask AI, 4. Synthesia, 5. Dubverse
- Asked ChatGPT "What's the best AI dubbing tool for video localisation?": 1. HeyGen, 2. ElevenLabs, 3. Rask AI, 4. Synthesia
- Searched Google, AI Overview "ai dubbing tools": 1. ElevenLabs, 2. Synthesia, 3. Dubverse, 4. HeyGen
- Searched Google, AI Overview "video dubbing software": 1. ElevenLabs, 2. HeyGen

Not named in any answer: Papercup.

Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026.

## How did search popularity change for AI dubbing tools worldwide in September 2026?

- In September 2026, HeyGen gained share of searches among AI dubbing tools worldwide, from 18.6% to 21.1%.
- Estimated monthly branded searches for Synthesia worldwide fell 45.2% over 12 measured months, from 457K to 250K in September 2026.

## Month by month

| Month | HeyGen estimated searches | HeyGen Share of Search | HeyGen rank | Synthesia estimated searches | Synthesia Share of Search | Synthesia rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 2.2M | 25.2% | 2 | 457K | 5.2% | 3 |
| Nov 2025 | 2.3M | 26% | 2 | 455K | 5.2% | 3 |
| Dec 2025 | 2.2M | 22.8% | 2 | 457K | 4.7% | 3 |
| Jan 2026 | 2.6M | 22.4% | 2 | 455K | 3.9% | 3 |
| Feb 2026 | 2.5M | 25% | 2 | 372K | 3.7% | 3 |
| Mar 2026 | 2.5M | 21.9% | 2 | 373K | 3.2% | 3 |
| Apr 2026 | 2.5M | 25.1% | 2 | 373K | 3.7% | 3 |
| May 2026 | 2.5M | 24.8% | 2 | 305K | 3% | 3 |
| Jun 2026 | 2M | 18.4% | 2 | 305K | 2.8% | 3 |
| Jul 2026 | 2M | 18.4% | 2 | 305K | 2.8% | 3 |
| Aug 2026 | 2M | 18.6% | 2 | 250K | 2.3% | 3 |
| Sep 2026 | 2M | 21.1% | 2 | 250K | 2.7% | 3 |

## 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**: Measured on the search terms “heygen” and “heygen ai”, summed into one figure.
- **Synthesia**: Measured on the search terms “synthesia” and “synthesia ai video”, summed into one figure.

- [HeyGen profile](/demand/global-en/brands/heygen)
- [Synthesia profile](/demand/global-en/brands/synthesia)
- [All AI dubbing tools worldwide](/demand/global-en/categories/ai-dubbing-tools): The set both shares are measured inside, 6 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is HeyGen or Synthesia more popular in search?

In September 2026, HeyGen had more branded searches than Synthesia among AI dubbing tools worldwide. HeyGen had about 2 million branded searches, while Synthesia had 250,000. HeyGen made up 21.1% of all AI dubbing tool searches we track, and Synthesia accounted for 2.7%.

## Cite this page

Brandwave. "HeyGen vs Synthesia: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/ai-dubbing-tools/compare/heygen-vs-synthesia

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-dubbing-tools/compare/heygen-vs-synthesia. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
