Brandwave

Kling AI vs Synthesia:Which is more popular?

In September 2026, Kling AI had more branded searches than Synthesia among AI video generators worldwide. Kling AI had about 2.2 million branded searches, while Synthesia had 250,000. Kling AI made up 28.7% of all AI video generator searches we track, and Synthesia accounted for 3.2%. When we asked ChatGPT and Google AI Overviews about AI video generators, Kling AI appeared in all five answers and Synthesia in none.

Among AI video generators worldwide in September 2026

Who do people search for more?

Kling AI, about 9 searches for every 1 for Synthesia

Kling AI 2.2M searchesSynthesia 250K searches

Who does AI mention more?

Kling AI, mentioned in every answer we collected

Kling AI in 5 of 5Synthesia in 0 of 5

Who does AI recommend more?

Kling AI, the only one of the two named

Kling AI first in 5Synthesia never named

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Top AI video generators in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Kling AI appeared in all five answers. Synthesia did not appear in any of the five answers.

Most recommended by AI

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

  1. Google Veo1st
  2. Runway2nd
  3. Kling AI3rd
  4. Adobe Firefly4th
  5. Pika5th
  6. HeyGen6th
  7. Luma AI7th
  8. Synthesia–

Mentioned by AI

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

  • Kling AI5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Google Veo5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Runway5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • HeyGen3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Adobe Firefly2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Pika2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Luma AI1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Synthesia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI video generators

5 answers

Not named in any answer:

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

Is Kling AI or Synthesia more popular in search?

This chart shows how often people search Google for Kling AI and Synthesia by name. Each line represents a brand's share of searches for all eight AI video generators we track, month by month, from English-language searches worldwide.

Kling AI and Synthesia among AI video generators worldwide, by month

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

View monthly share of searches table
MonthKling AIHeyGenAdobe FireflyGoogle VeoLuma AIRunwaySynthesiaPika
Oct 202522.1%26.6%12.1%21.1%4.1%7.4%5.5%1.1%
Nov 202519.5%29.6%13%18.5%4.4%8%5.9%1.2%
Dec 202540.9%22%8.2%11.8%5.7%5.5%4.6%1.4%
Jan 202642.8%22.3%7%10.4%6.4%5.7%3.9%1.4%
Feb 202635.2%26.7%8.6%10.8%7%6.3%3.9%1.4%
Mar 202627.7%25.7%10.1%10.8%9.1%9.8%3.8%3%
Apr 202623.8%27%10.6%9.8%10.6%12%4%2.1%
May 202630.8%22.9%11.2%9%14.3%7.5%2.8%1.5%
Jun 202632%23.7%11.7%11.6%10.5%4.7%3.6%2.3%
Jul 202633.6%20.3%10%14.9%11%4.1%3.1%3%
Aug 202632.3%23.5%11.8%12.7%9.6%4.2%2.9%2.9%
Sep 202628.7%25.6%12.8%11.3%9.6%5.6%3.2%3.2%

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

3 findings
  • Kling AI was ahead of Synthesia in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Kling AI’s share of searches among AI video generators worldwide moved from 22.1% to 28.7%, and its estimated monthly branded searches moved from 1.8M to 2.2M.
  • Across the 12 months ending September 2026, Synthesia’s share of searches among AI video generators worldwide moved from 5.5% to 3.2%, and its estimated monthly branded searches moved from 457K to 250K.

How did search popularity change for AI video generators worldwide in September 2026?

2 changes
  1. In September 2026, Kling AI lost share of searches among AI video generators worldwide, from 32.3% to 28.7%.

  2. Estimated monthly branded searches for Synthesia worldwide fell 45.2% over 12 measured months, from 457K to 250K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Kling AI’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.

Kling AI

1 branded search term

  • kling ai

Synthesia

2 branded search terms

  • synthesia
  • synthesia ai video

How the Brand Demand Index is measured

Other head-to-heads among AI video generators

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