---
title: "Speech to text APIs: Which are searched most?"
description: "Compare the APIs that turn speech into text. Share of Search among Deepgram, AssemblyAI, Speechmatics, Rev AI and Amazon Transcribe, the speech to text APIs Brandwave compares worldwide, using the same methodology, market, and reporting period. 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."
canonical: "https://gobrandwave.com/demand/global-en/categories/speech-to-text-apis"
publisher: "Brandwave"
---

# Speech to text APIs: Which are searched most?

Compare the APIs that turn speech into text. Share of Search among Deepgram, AssemblyAI, Speechmatics, Rev AI and Amazon Transcribe, the speech to text APIs Brandwave compares worldwide, using the same methodology, market, and reporting period. 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.

## Key facts

- **Competitive set**: Speech to text APIs
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Deepgram, 65.7%

## 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 65.7% estimated Share of Search within this set.
- AssemblyAI is in 2nd place, 49.6 percentage points behind at 16.1% Share of Search.
- Across the 11 months ending August 2026, Deepgram’s estimated Share of Search among speech to text APIs worldwide increased from 55.1% to 65.7%.
- Across the 11 months ending August 2026, Speechmatics’ estimated Share of Search among speech to text APIs worldwide decreased from 13.5% to 8.8%.
- Across the 11 months ending August 2026, Rev AI’s estimated Share of Search among speech to text APIs worldwide decreased from 10% to 7.4%.
- Across the 11 months ending August 2026, Amazon Transcribe’s estimated Share of Search among speech to text APIs worldwide decreased from 4.9% to 2.1%.
- Across the 11 months ending August 2026, Deepgram’s estimated Share of Search among speech to text APIs worldwide peaked at 65.8% in July 2026 and was lowest at 51.5% in November 2025.
- Across the 11 months ending August 2026, AssemblyAI’s estimated Share of Search among speech to text APIs worldwide peaked at 19% in May 2026 and was lowest at 15% in December 2025.
- Across the 11 months ending August 2026, Speechmatics’ estimated Share of Search among speech to text APIs worldwide peaked at 13.5% in October 2025 and was lowest at 8.3% 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 12.5% in November 2025 and was lowest at 6.8% in May 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.

## Compare search popularity between leading brands

- [Deepgram vs AssemblyAI: compare search popularity](/demand/global-en/compare/assemblyai-vs-deepgram): 65.7% against 16.1% Share of Search.
- [Deepgram vs Speechmatics: compare search popularity](/demand/global-en/compare/deepgram-vs-speechmatics): 65.7% against 8.8% Share of Search.
- [Deepgram vs Rev AI: compare search popularity](/demand/global-en/compare/deepgram-vs-rev-ai): 65.7% against 7.4% Share of Search.
- [Deepgram vs Amazon Transcribe: compare search popularity](/demand/global-en/compare/amazon-transcribe-vs-deepgram): 65.7% against 2.1% Share of Search.
- [AssemblyAI vs Speechmatics: compare search popularity](/demand/global-en/compare/assemblyai-vs-speechmatics): 16.1% against 8.8% Share of Search.
- [AssemblyAI vs Rev AI: compare search popularity](/demand/global-en/compare/assemblyai-vs-rev-ai): 16.1% against 7.4% Share of Search.
- [AssemblyAI vs Amazon Transcribe: compare search popularity](/demand/global-en/compare/amazon-transcribe-vs-assemblyai): 16.1% against 2.1% Share of Search.
- [Speechmatics vs Rev AI: compare search popularity](/demand/global-en/compare/rev-ai-vs-speechmatics): 8.8% against 7.4% Share of Search.
- [Speechmatics vs Amazon Transcribe: compare search popularity](/demand/global-en/compare/amazon-transcribe-vs-speechmatics): 8.8% against 2.1% Share of Search.
- [Rev AI vs Amazon Transcribe: compare search popularity](/demand/global-en/compare/amazon-transcribe-vs-rev-ai): 7.4% against 2.1% Share of Search.

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

- Rev AI’s estimated Share of Search among speech to text APIs worldwide has gained ground for 3 months in a row, from 6.8% to 7.4% in August 2026.
- Estimated monthly branded searches for Deepgram worldwide rose 22.3% over 11 measured months, from 60.5K to 74K in August 2026.
- Estimated monthly branded searches for Amazon Transcribe worldwide fell 55.6% over 11 measured months, from 5.4K to 2.4K in August 2026.
- Estimated monthly branded searches for Speechmatics worldwide fell 33.1% over 11 measured months, from 14.8K to 9.9K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Deepgram | 65.7% | 74K | 0.0% | Deepgram |
| 2 | AssemblyAI | 16.1% | 18.1K | 0.0% | AssemblyAI |
| 3 | Speechmatics | 8.8% | 9.9K | 0.0% | Speechmatics |
| 4 | Rev AI | 7.4% | 8.3K | +3.8% | Rev AI |
| 5 | Amazon Transcribe | 2.1% | 2.4K | 0.0% | Amazon Transcribe |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Deepgram | 60.5K | 55.1% | 1 |
| Oct 2025 | AssemblyAI | 18.1K | 16.5% | 2 |
| Oct 2025 | Speechmatics | 14.8K | 13.5% | 3 |
| Oct 2025 | Rev AI | 11K | 10% | 4 |
| Oct 2025 | Amazon Transcribe | 5.4K | 4.9% | 5 |
| Nov 2025 | Deepgram | 49.5K | 51.5% | 1 |
| Nov 2025 | AssemblyAI | 18.1K | 18.8% | 2 |
| Nov 2025 | Speechmatics | 12.1K | 12.6% | 3 |
| Nov 2025 | Rev AI | 12K | 12.5% | 4 |
| Nov 2025 | Amazon Transcribe | 4.4K | 4.6% | 5 |
| Dec 2025 | Deepgram | 60.5K | 61.5% | 1 |
| Dec 2025 | AssemblyAI | 14.8K | 15% | 2 |
| Dec 2025 | Speechmatics | 9.9K | 10.1% | 3 |
| Dec 2025 | Rev AI | 8.8K | 8.9% | 4 |
| Dec 2025 | Amazon Transcribe | 4.4K | 4.5% | 5 |
| Jan 2026 | Deepgram | 60.5K | 58.7% | 1 |
| Jan 2026 | AssemblyAI | 18.1K | 17.6% | 2 |
| Jan 2026 | Rev AI | 11K | 10.7% | 3 |
| Jan 2026 | Speechmatics | 9.9K | 9.6% | 4 |
| Jan 2026 | Amazon Transcribe | 3.6K | 3.5% | 5 |
| Feb 2026 | Deepgram | 60.5K | 60% | 1 |
| Feb 2026 | AssemblyAI | 18.1K | 17.9% | 2 |
| Feb 2026 | Speechmatics | 9.9K | 9.8% | 3 |
| Feb 2026 | Rev AI | 8.8K | 8.7% | 4 |
| Feb 2026 | Amazon Transcribe | 3.6K | 3.6% | 5 |
| Mar 2026 | Deepgram | 74K | 61.9% | 1 |
| Mar 2026 | AssemblyAI | 22.2K | 18.6% | 2 |
| Mar 2026 | Speechmatics | 9.9K | 8.3% | 3 |
| Mar 2026 | Rev AI | 9.8K | 8.2% | 4 |
| Mar 2026 | Amazon Transcribe | 3.6K | 3% | 5 |
| Apr 2026 | Deepgram | 74K | 62.3% | 1 |
| Apr 2026 | AssemblyAI | 22.2K | 18.7% | 2 |
| Apr 2026 | Speechmatics | 9.9K | 8.3% | 3 |
| Apr 2026 | Rev AI | 9.8K | 8.2% | 4 |
| Apr 2026 | Amazon Transcribe | 2.9K | 2.4% | 5 |
| May 2026 | Deepgram | 74K | 63.2% | 1 |
| May 2026 | AssemblyAI | 22.2K | 19% | 2 |
| May 2026 | Speechmatics | 9.9K | 8.5% | 3 |
| May 2026 | Rev AI | 8K | 6.8% | 4 |
| May 2026 | Amazon Transcribe | 2.9K | 2.5% | 5 |
| Jun 2026 | Deepgram | 74K | 65.5% | 1 |
| Jun 2026 | AssemblyAI | 18.1K | 16% | 2 |
| Jun 2026 | Speechmatics | 9.9K | 8.8% | 3 |
| Jun 2026 | Rev AI | 8K | 7.1% | 4 |
| Jun 2026 | Amazon Transcribe | 2.9K | 2.6% | 5 |
| Jul 2026 | Deepgram | 74K | 65.8% | 1 |
| Jul 2026 | AssemblyAI | 18.1K | 16.1% | 2 |
| Jul 2026 | Speechmatics | 9.9K | 8.8% | 3 |
| Jul 2026 | Rev AI | 8K | 7.1% | 4 |
| Jul 2026 | Amazon Transcribe | 2.4K | 2.1% | 5 |
| Aug 2026 | Deepgram | 74K | 65.7% | 1 |
| Aug 2026 | AssemblyAI | 18.1K | 16.1% | 2 |
| Aug 2026 | Speechmatics | 9.9K | 8.8% | 3 |
| Aug 2026 | Rev AI | 8.3K | 7.4% | 4 |
| Aug 2026 | Amazon Transcribe | 2.4K | 2.1% | 5 |
| Sep 2026 | Amazon Transcribe | — | — | — |
| Sep 2026 | AssemblyAI | — | — | — |
| Sep 2026 | Deepgram | — | — | — |
| Sep 2026 | Rev AI | — | — | — |
| Sep 2026 | Speechmatics | — | — | — |

## What is being compared

- **Amazon Transcribe**: Measured on the search term “amazon transcribe”.
- **AssemblyAI**: Measured on the search term “assemblyai”.
- **Deepgram**: Measured on the search term “deepgram”.
- **Rev AI**: Measured on the search terms “rev ai” and “revai”, summed into one figure.
- **Speechmatics**: Measured on the search term “speechmatics”.

- [Amazon Transcribe](/demand/global-en/brands/amazon-transcribe)
- [AssemblyAI](/demand/global-en/brands/assemblyai)
- [Deepgram](/demand/global-en/brands/deepgram)
- [Rev AI](/demand/global-en/brands/rev-ai)
- [Speechmatics](/demand/global-en/brands/speechmatics)

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### 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 65.7% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Speech to text APIs: Which are searched most?". https://gobrandwave.com/demand/global-en/categories/speech-to-text-apis

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/speech-to-text-apis. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.