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AssemblyAI vs Rev.ai comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

AssemblyAI
Ranking in Speech-To-Text Services
5th
Average Rating
8.0
Reviews Sentiment
6.1
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Rev.ai
Ranking in Speech-To-Text Services
8th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Speech-To-Text Services category, the mindshare of AssemblyAI is 6.1%, down from 9.1% compared to the previous year. The mindshare of Rev.ai is 4.3%, up from 4.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Speech-To-Text Services Mindshare Distribution
ProductMindshare (%)
AssemblyAI6.1%
Rev.ai4.3%
Other89.6%
Speech-To-Text Services
 

Featured Reviews

Khemit Verma - PeerSpot reviewer
Full Stack Developer at a tech services company with 11-50 employees
Accurate transcripts with clear grammar have supported reliable speaker-based dialogue analysis
A few drawbacks I observed in the speaker identification are that in some videos where text and names appear on the video frames, AssemblyAI does not identify the actual speaker name, instead providing generic names such as Speaker A, Speaker B, Speaker C, or Speaker X, Y, Z. AssemblyAI does not identify the real speaker in some audio or video files, just sending Speaker A, Speaker B, or Speaker C. They are not easily identifying speakers in some instances. AssemblyAI does not provide a cloud service; I simply upload the audio file to the API, and they store it somewhere internally to send me the transcription text. For additional functions, the API does not provide video uploading functionality, and I need to convert video to audio first before uploading it to AssemblyAI.
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Questions from the Community

What needs improvement with AssemblyAI?
A few drawbacks I observed in the speaker identification are that in some videos where text and names appear on the video frames, AssemblyAI does not identify the actual speaker name, instead provi...
What is your primary use case for AssemblyAI?
I use AssemblyAI only with audio files, not for real-time transcription. I mainly use only US English, and I have not tried other languages. I upload audio files through AssemblyAI API, and they pr...
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Comparisons

 

Overview

Find out what your peers are saying about Deepgram, Microsoft, Google and others in Speech-To-Text Services. Updated: May 2026.
893,221 professionals have used our research since 2012.