Brandwave

Deepgram vs Speechmatics:Which is more popular?

In September 2026, Deepgram had more branded searches than Speechmatics among speech to text APIs worldwide. Deepgram had about 74,000 branded searches, while Speechmatics had 9,900. Deepgram made up 62.5% of all speech to text API searches we track, and Speechmatics accounted for 8.4%. When we asked ChatGPT and Google AI Overviews about speech to text APIs, Deepgram appeared in three of the five answers and Speechmatics in none.

Among speech to text APIs worldwide in September 2026

Who do people search for more?

Deepgram, about 7 searches for every 1 for Speechmatics

Deepgram 74K searchesSpeechmatics 9.9K searches

Who does AI mention more?

Deepgram, mentioned in 3 of 5 answers, Speechmatics in 0

Deepgram in 3 of 5Speechmatics in 0 of 5

Who does AI recommend more?

Deepgram, the only one of the two named

Deepgram first in 3Speechmatics never named

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Top speech to text APIs in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Deepgram was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Speechmatics 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. OpenAI speech-to-text API1st
  2. Deepgram2nd
  3. AssemblyAI3rd
  4. Google Cloud Speech-to-Text4th
  5. Amazon Transcribe5th
  6. Speechmatics–
  7. Rev AI–

Mentioned by AI

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

  • AssemblyAI4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Google Cloud Speech-to-Text4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Deepgram3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • OpenAI speech-to-text API3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Amazon Transcribe1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Speechmatics0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Rev AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about speech to text APIs

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 21, 2026.

Is Deepgram or Speechmatics more popular in search?

This chart shows how often people search Google for Deepgram and Speechmatics by name. Each line represents a brand's share of searches for all seven speech to text APIs we track, month by month, from English-language searches worldwide.

Deepgram and Speechmatics among speech to text APIs worldwide, by month

Share of searches by month for Deepgram, Speechmatics. The figures are in the table below the chart.

View monthly share of searches table
MonthDeepgramAssemblyAISpeechmaticsRev AIGoogle Cloud Speech-to-TextAmazon TranscribeOpenAI speech-to-text API
Oct 202549.5%14.8%12.1%9%9.9%4.4%0.17%
Nov 202546.6%17.1%11.4%11.3%9.3%4.1%0.13%
Dec 202556.7%13.9%9.3%8.3%7.6%4.1%0.13%
Jan 202654.3%16.3%8.9%9.9%7.3%3.2%0.13%
Feb 202653.5%16%8.7%7.8%10.7%3.2%0.15%
Mar 202656.2%16.8%7.5%7.4%9.2%2.7%0.13%
Apr 202655.3%16.6%7.4%7.3%11.1%2.2%0.13%
May 202658.1%17.4%7.8%6.3%7.8%2.3%0.31%
Jun 202660.7%14.9%8.1%6.6%6.6%2.4%0.72%
Jul 202659.7%14.6%8%6.5%8%1.9%1.3%
Aug 202660.3%14.7%8.1%6.8%8.1%2%0.17%
Sep 202662.5%15.3%8.4%7.6%3.7%2.4%0.12%

How has the Deepgram and Speechmatics comparison changed over the last 12 months?

3 findings
  • Deepgram was ahead of Speechmatics in every measured month of the 12 months ending September 2026.
  • 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.
  • Across the 12 months ending September 2026, Speechmatics’ share of searches among speech to text APIs worldwide moved from 12.1% to 8.4%, and its estimated monthly branded searches moved from 14.8K to 9.9K.

How did search popularity change for speech to text APIs worldwide in September 2026?

2 changes

  1. In September 2026, Deepgram gained share of searches among speech to text APIs worldwide, from 60.3% to 62.5%.

  2. In September 2026, Speechmatics rose from 4th to 3rd among speech to text APIs worldwide.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Deepgram’s and Speechmatics’ 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.

Deepgram

1 branded search term

  • deepgram

Speechmatics

1 branded search term

  • speechmatics

How the Brand Demand Index is measured

Other head-to-heads among speech to text APIs

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