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AssemblyAI vs Rev AI

People

AssemblyAISpeech-to-Text Platforms

Rev AIAI Transcription

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Speech-to-Text Platforms

Overview

Focus

Speech-to-Text Platforms

AI Transcription

Product

AssemblyAI provides speech-to-text, real-time transcription, and voice intelligence models for teams shipping voice AI and audio-driven workflows.

Speech-to-text API by Rev providing accurate automatic transcription with speaker diarization and custom vocabulary.

Website

Headquarters

San Francisco, California

Company size

51-200 employees

1,001-5,000 employees

Founded

2017

2010

Pricing details

Free options

Free plan, Free trial

Source updated

Oct 29, 2026

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