
Speech-to-text and voice intelligence APIs for developers

12 alternatives to Rev AI, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits |
|---|
| MoM Growth |
|---|
| Pricing Model |
|---|
| Primary Market |
|---|
| Rating |
|---|
| Compare |
|---|
| ● | Rev AI | rev.ai | 50.71K | -11.42K (-18.4%) | Free Trial, Paid | United States | 4.4 | Profile |
| 1 | AssemblyAI | assemblyai.com | 453.59K | -33.48K (-6.9%) | Freemium, Contact for Pricing | Brazil | 4.6 | Compare |
| 2 | Gladia | gladia.io | 232.45K | 13.91K (+6.4%) | Freemium, Contact for Pricing | Brazil | 4.4 | Compare |
| 3 | Rev | rev.com | 1.52M | -225.07K (-12.9%) | Contact for Pricing | United States | 4.4 | Compare |
| 4 | Deepgram Voice AI | deepgram.com | 863.85K | 208.43K (+31.8%) | Free Trial | United States | 4.5 | Compare |
| 5 | Vatis Tech | vatis.tech | 41.68K | -21.23K (-33.8%) | Free Trial, Contact for Pricing | Romania | 4.2 | Compare |
| 6 | Soniox | soniox.com | 335.65K | 7.29K (+2.2%) | Paid | United States | 4.5 | Compare |
| 7 | Speak AI | speakai.co | 173.61K | 16.59K (+10.6%) | Freemium, Free Trial, Paid | United States | 4.2 | Compare |
| 8 | SpeechFlow - Advanced Speech-to-Text API | speechflow.io | 6.21K | -2.59K (-29.4%) | Freemium, Paid, Contact for Pricing | United States | 4.2 | Compare |
| 9 | Sonix AI | sonix.ai | 646.53K | 47.96K (+8%) | Free Trial, Paid, Contact for Pricing | United States | 4.5 | Compare |
| 10 | Happy Scribe | happyscribe.com | 4.09M | 303.53K (+8%) | Freemium, Free Trial, Paid | United States | 4.1 | Compare |
| 11 | Fireflies.ai | fireflies.ai | 4.41M | 126.84K (+3%) | Freemium | United States | 4.1 | Compare |
| 12 | Video Transcriber AI | videotranscriber.ai | 1.32M | 130.29K (+11%) | Freemium | United States | 4.5 | Compare |

Speech-to-text and voice intelligence APIs for developers

Speech-to-text and audio intelligence API for production voice products
Speech-to-text and audio intelligence API for production voice products
AI and human transcription, captions and investigative case analysis in one platform
AI and human transcription, captions and investigative case analysis in one platform
Real-time speech-to-text, text-to-speech and voice agents in one API platform
Real-time speech-to-text, text-to-speech and voice agents in one API platform

Accurate audio and video transcription, with an API for developers

One speech AI API for recognition, generation, and translation in 60+ languages
One speech AI API for recognition, generation, and translation in 60+ languages

Transcribe, analyze, and score every conversation against your own methodology
Transcribe, analyze, and score every conversation against your own methodology

SpecialistAccurate multilingual speech recognition you can wire into any app
SpecialistAccurate multilingual speech recognition you can wire into any app

AI transcription, translation and subtitles for audio and video
AI transcription, translation and subtitles for audio and video

AI transcription and meeting notes in 150+ languages
AI transcription and meeting notes in 150+ languages
AI teammate that records, transcribes and summarizes every meeting
AI teammate that records, transcribes and summarizes every meeting

Turn any video or audio into text in seconds