Luma AI vs Synthesia:Which is more popular?
In September 2026, Luma AI had more branded searches than Synthesia among AI video generators worldwide. Luma AI had about 751,000 branded searches, while Synthesia had 250,000. Luma AI made up 9.6% 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, Luma AI appeared in one of the five answers and Synthesia in none.
Follow Luma AI vs Synthesia and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top AI video generators in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Luma AI was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. 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.
Google Veo1st
Runway2nd
Kling AI3rd
Adobe Firefly4th
Pika5th
HeyGen6th
Luma AI7th
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
Asked ChatGPT
“Which AI video generator should I use?”
Asked ChatGPT
“What are the best AI video generators?”
Asked ChatGPT
“What's the best AI video generator for text to video?”
Searched Google, AI Overview
“ai video generators”
Searched Google, AI Overview
“ai video maker”
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 Luma AI or Synthesia more popular in search?
This chart shows how often people search Google for Luma 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.
Share of searches by month for Luma AI, Synthesia. The figures are in the table below the chart.
View monthly share of searches table
| Month | Kling AI | HeyGen | Adobe Firefly | Google Veo | Luma AI | Runway | Synthesia | Pika |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 22.1% | 26.6% | 12.1% | 21.1% | 4.1% | 7.4% | 5.5% | 1.1% |
| Nov 2025 | 19.5% | 29.6% | 13% | 18.5% | 4.4% | 8% | 5.9% | 1.2% |
| Dec 2025 | 40.9% | 22% | 8.2% | 11.8% | 5.7% | 5.5% | 4.6% | 1.4% |
| Jan 2026 | 42.8% | 22.3% | 7% | 10.4% | 6.4% | 5.7% | 3.9% | 1.4% |
| Feb 2026 | 35.2% | 26.7% | 8.6% | 10.8% | 7% | 6.3% | 3.9% | 1.4% |
| Mar 2026 | 27.7% | 25.7% | 10.1% | 10.8% | 9.1% | 9.8% | 3.8% | 3% |
| Apr 2026 | 23.8% | 27% | 10.6% | 9.8% | 10.6% | 12% | 4% | 2.1% |
| May 2026 | 30.8% | 22.9% | 11.2% | 9% | 14.3% | 7.5% | 2.8% | 1.5% |
| Jun 2026 | 32% | 23.7% | 11.7% | 11.6% | 10.5% | 4.7% | 3.6% | 2.3% |
| Jul 2026 | 33.6% | 20.3% | 10% | 14.9% | 11% | 4.1% | 3.1% | 3% |
| Aug 2026 | 32.3% | 23.5% | 11.8% | 12.7% | 9.6% | 4.2% | 2.9% | 2.9% |
| Sep 2026 | 28.7% | 25.6% | 12.8% | 11.3% | 9.6% | 5.6% | 3.2% | 3.2% |
How has the Luma AI and Synthesia comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: Luma AI took it in December 2025.
- Across the 12 months ending September 2026, Luma AI’s share of searches among AI video generators worldwide moved from 4.1% to 9.6%, and its estimated monthly branded searches moved from 342K to 751K.
- 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
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Luma 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.
Other head-to-heads among AI video generators

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.