AssemblyAI vs Deepgram:Which is searched more?
In September 2026, Deepgram had more branded searches than AssemblyAI among speech to text APIs worldwide. Deepgram had about 74,000 branded searches, while AssemblyAI had 18,100. Deepgram made up 62.5% of all speech to text API searches we track, and AssemblyAI accounted for 15.3%. These are worldwide searches for English-language branded terms.
Follow AssemblyAI vs Deepgram 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
Is AssemblyAI or Deepgram more popular in search?
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 searches by month for Deepgram, AssemblyAI. The figures are in the table below the chart.
View monthly share of searches table
| Month | Deepgram | AssemblyAI | Speechmatics | Rev AI | Google Cloud Speech-to-Text | Amazon Transcribe | OpenAI speech-to-text API |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 49.5% | 14.8% | 12.1% | 9% | 9.9% | 4.4% | 0.17% |
| Nov 2025 | 46.6% | 17.1% | 11.4% | 11.3% | 9.3% | 4.1% | 0.13% |
| Dec 2025 | 56.7% | 13.9% | 9.3% | 8.3% | 7.6% | 4.1% | 0.13% |
| Jan 2026 | 54.3% | 16.3% | 8.9% | 9.9% | 7.3% | 3.2% | 0.13% |
| Feb 2026 | 53.5% | 16% | 8.7% | 7.8% | 10.7% | 3.2% | 0.15% |
| Mar 2026 | 56.2% | 16.8% | 7.5% | 7.4% | 9.2% | 2.7% | 0.13% |
| Apr 2026 | 55.3% | 16.6% | 7.4% | 7.3% | 11.1% | 2.2% | 0.13% |
| May 2026 | 58.1% | 17.4% | 7.8% | 6.3% | 7.8% | 2.3% | 0.31% |
| Jun 2026 | 60.7% | 14.9% | 8.1% | 6.6% | 6.6% | 2.4% | 0.72% |
| Jul 2026 | 59.7% | 14.6% | 8% | 6.5% | 8% | 1.9% | 1.3% |
| Aug 2026 | 60.3% | 14.7% | 8.1% | 6.8% | 8.1% | 2% | 0.17% |
| Sep 2026 | 62.5% | 15.3% | 8.4% | 7.6% | 3.7% | 2.4% | 0.12% |
How has the AssemblyAI and Deepgram comparison changed over the last 12 months?
3 findings
- Deepgram was ahead of AssemblyAI in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, AssemblyAI’s share of searches among speech to text APIs worldwide moved from 14.8% to 15.3%, and its estimated monthly branded searches held steady at 18.1K.
- Across the 12 months ending September 2026, Deepgram’s share of searches among speech to text APIs worldwide moved from 49.5% to 62.5%, and its estimated monthly branded searches moved from 60.5K to 74K.
How did search popularity change for speech to text APIs worldwide in September 2026?
2 changes
In September 2026, Deepgram gained share of searches among speech to text APIs worldwide, from 60.3% to 62.5%.
In September 2026, AssemblyAI gained share of searches among speech to text APIs worldwide, from 14.7% to 15.3%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using AssemblyAI’s and Deepgram’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
Deepgram
1 branded search term
- deepgram
Other head-to-heads among speech to text APIs
Deepgram vs Speechmatics: compare search popularity
Deepgram vs Rev AI: compare search popularity- Deepgram vs Google Cloud Speech-to-Text: compare search popularity
- AssemblyAI vs Speechmatics: compare search popularity
- AssemblyAI vs Rev AI: compare search popularity
- AssemblyAI vs Google Cloud Speech-to-Text: compare search popularity
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.