AssemblyAI vs Rev AI:Which is more popular by branded search?
In August 2026, AssemblyAI had more branded searches than Rev AI among speech to text APIs worldwide. AssemblyAI was estimated to have 18.1K branded searches compared to Rev AI’s 2.9K, and held a 16.9% Share of Search versus Rev AI’s 2.7%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, AssemblyAI or Rev AI?
Compare the APIs that turn speech into text. 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.
Share of Search by month for AssemblyAI, Rev AI. The figures are in the table below the chart.
View monthly share of search table
| Month | Deepgram | AssemblyAI | Speechmatics | Rev AI | Amazon Transcribe |
|---|---|---|---|---|---|
| Oct 2025 | 57.4% | 17.2% | 14% | 6.3% | 5.1% |
| Nov 2025 | 54.6% | 20% | 13.3% | 7.3% | 4.9% |
| Dec 2025 | 64.4% | 15.7% | 10.5% | 4.7% | 4.7% |
| Jan 2026 | 62.7% | 18.8% | 10.3% | 4.6% | 3.7% |
| Feb 2026 | 62.7% | 18.8% | 10.3% | 4.6% | 3.7% |
| Mar 2026 | 64.9% | 19.5% | 8.7% | 3.9% | 3.2% |
| Apr 2026 | 65.3% | 19.6% | 8.7% | 3.9% | 2.6% |
| May 2026 | 65.7% | 19.7% | 8.8% | 3.2% | 2.6% |
| Jun 2026 | 68.2% | 16.7% | 9.1% | 3.3% | 2.7% |
| Jul 2026 | 68.5% | 16.8% | 9.2% | 3.3% | 2.2% |
| Aug 2026 | 69% | 16.9% | 9.2% | 2.7% | 2.2% |
| Sep 2026 | — | — | — | — | — |
How has the AssemblyAI and Rev AI comparison changed over the last 12 months?
3 findings
- AssemblyAI was ahead of Rev AI in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, AssemblyAI’s estimated Share of Search among speech to text APIs worldwide moved from 17.2% to 16.9%, and its estimated monthly branded searches held steady at 18.1K.
- Across the 11 months ending August 2026, Rev AI’s estimated Share of Search among speech to text APIs worldwide moved from 6.3% to 2.7%, and its estimated monthly branded searches moved from 6.6K to 2.9K.
How did search popularity change for speech to text APIs worldwide in August 2026?
1 change
In August 2026, Rev AI lost estimated Share of Search among speech to text APIs worldwide, from 3.3% to 2.7%.
How each brand is measured
Brandwave collects information about searches that people make online using AssemblyAI’s and Rev AI’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.
AssemblyAI
1 branded search term
- assemblyai
Rev AI
1 branded search term
- rev ai
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.