Brandwave

Speech to text APIs:Which brands are most popular in search?

In August 2026, Deepgram was the most searched among speech to text APIs worldwide, with an estimated 74K branded searches and 69% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Deepgram69%
  2. AssemblyAI16.9%
  3. Speechmatics9.2%
  4. Rev AI2.7%
  5. Amazon Transcribe2.2%

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Share of SearchLeaderboard

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 among speech to text APIs worldwide, by month

Share of Search by month for Deepgram, AssemblyAI, Speechmatics, Rev AI, Amazon Transcribe. The figures are in the table below the chart.

View monthly share of search table
MonthDeepgramAssemblyAISpeechmaticsRev AIAmazon Transcribe
Oct 202557.4%17.2%14%6.3%5.1%
Nov 202554.6%20%13.3%7.3%4.9%
Dec 202564.4%15.7%10.5%4.7%4.7%
Jan 202662.7%18.8%10.3%4.6%3.7%
Feb 202662.7%18.8%10.3%4.6%3.7%
Mar 202664.9%19.5%8.7%3.9%3.2%
Apr 202665.3%19.6%8.7%3.9%2.6%
May 202665.7%19.7%8.8%3.2%2.6%
Jun 202668.2%16.7%9.1%3.3%2.7%
Jul 202668.5%16.8%9.2%3.3%2.2%
Aug 202669%16.9%9.2%2.7%2.2%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Deepgram

    69%

    Held 1st. 74K estimated branded searches, 0% vs prior month. Share +0.4 points.

  2. 2.AssemblyAI

    16.9%

    Held 2nd. 18.1K estimated branded searches, 0% vs prior month. Share +0.1 points.

  3. 3.Speechmatics

    9.2%

    Held 3rd. 9.9K estimated branded searches, 0% vs prior month. Share +0.1 points.

  4. 4.Rev AI

    2.7%

    Held 4th. 2.9K estimated branded searches, -19.4% vs prior month. Share -0.6 points.

  5. 5.Amazon Transcribe

    2.2%

    Held 5th. 2.4K estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between leading brands

Which brand is most popular in search among speech to text APIs worldwide?

In August 2026, Deepgram was the most searched among speech to text APIs worldwide, with an estimated 74K branded searches and 69% estimated Share of Search within this set. AssemblyAI is in 2nd place, 52.1 percentage points behind at 16.9% Share of Search.

Global speech to text APIs, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Deepgram57.4% → 69%69%Aug 202654.6%Nov 20251st
AssemblyAI17.2% → 16.9%20%Nov 202515.7%Dec 20252nd
Speechmatics14% → 9.2%14%Oct 20258.7%Mar 20263rd
Rev AI6.3% → 2.7%7.3%Nov 20252.7%Aug 20264th
Amazon Transcribe5.1% → 2.2%5.1%Oct 20252.2%Jul 20265th

Each finding as a sentence

  • Across the 11 months ending August 2026, Deepgram’s estimated Share of Search among speech to text APIs worldwide increased from 57.4% to 69%.
  • Across the 11 months ending August 2026, Speechmatics’ estimated Share of Search among speech to text APIs worldwide decreased from 14% to 9.2%.
  • Across the 11 months ending August 2026, Rev AI’s estimated Share of Search among speech to text APIs worldwide decreased from 6.3% to 2.7%.
  • Across the 11 months ending August 2026, Amazon Transcribe’s estimated Share of Search among speech to text APIs worldwide decreased from 5.1% to 2.2%.
  • Across the 11 months ending August 2026, Deepgram’s estimated Share of Search among speech to text APIs worldwide peaked at 69% in August 2026 and was lowest at 54.6% in November 2025.
  • Across the 11 months ending August 2026, AssemblyAI’s estimated Share of Search among speech to text APIs worldwide peaked at 20% in November 2025 and was lowest at 15.7% in December 2025.
  • Across the 11 months ending August 2026, Speechmatics’ estimated Share of Search among speech to text APIs worldwide peaked at 14% in October 2025 and was lowest at 8.7% in March 2026.
  • Across the 11 months ending August 2026, Rev AI’s estimated Share of Search among speech to text APIs worldwide peaked at 7.3% in November 2025 and was lowest at 2.7% in August 2026.
  • Across the 11 months ending August 2026, Amazon Transcribe’s estimated Share of Search among speech to text APIs worldwide peaked at 5.1% in October 2025 and was lowest at 2.2% in July 2026.
  • Across the 11 months ending August 2026, AssemblyAI held steady: its estimated Share of Search among speech to text APIs worldwide moved less than 0.5 percentage points.

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

  1. In August 2026, Rev AI lost estimated Share of Search among speech to text APIs worldwide, from 3.3% to 2.7%.

  2. Deepgram’s estimated Share of Search among speech to text APIs worldwide has gained ground for 3 months in a row, from 65.7% to 69% in August 2026.

  3. Estimated monthly branded searches for Amazon Transcribe worldwide fell 55.6% over 11 measured months, from 5.4K to 2.4K in August 2026.

  4. Estimated monthly branded searches for Speechmatics worldwide fell 33.1% over 11 measured months, from 14.8K to 9.9K in August 2026.

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