AssemblyAI
AI models to transcribe and understand speech
VS
Sonix
Automated transcription, translation, and subtitling in 53+ languages
Detailed comparison
Criteria
AssemblyAI
Sonix
Pricing
Freemium
Freemium
Plans & pricing
Free: Free, Enterprise: Custom
Free: Free, Premium (Monthly): $22/mo, Premium (Annual): $16.5/mo, Enterprise: Custom
Free trial
Yes
Yes
Audience
b2b
b2b
Platforms
Web, Api
Web
API
Yes
No
Open Source
Proprietary
Proprietary
Categories
Voice, Dev Tools
Writing, Voice
Popularity
Very High
Very High
Description
AssemblyAI offers industry-leading Speech AI models and APIs to accurately transcribe speech to text and extract valuable insights from voice data. De...
Sonix is an AI-powered platform for fast, accurate transcription and translation of audio and video into over 53 languages. It enables users to transc...
Pricing
AssemblyAI
Freemium
Sonix
Freemium
Plans & pricing
AssemblyAI
Free: Free, Enterprise: Custom
Sonix
Free: Free, Premium (Monthly): $22/mo, Premium (Annual): $16.5/mo, Enterprise: Custom
Free trial
AssemblyAI
Yes
Sonix
Yes
Audience
AssemblyAI
b2b
Sonix
b2b
Platforms
AssemblyAI
Web, Api
Sonix
Web
API
AssemblyAI
Yes
Sonix
No
Open Source
AssemblyAI
Proprietary
Sonix
Proprietary
Categories
AssemblyAI
Voice, Dev Tools
Sonix
Writing, Voice
Popularity
AssemblyAI
Very High
Sonix
Very High
Description
AssemblyAI
AssemblyAI offers industry-leading Speech AI models and APIs to accurately transcribe speech to text and extract valuable insights from voice data. De...
Sonix
Sonix is an AI-powered platform for fast, accurate transcription and translation of audio and video into over 53 languages. It enables users to transc...
Features
AssemblyAI
Speech-to-Text
Speaker Diarization
Automatic Language Detection
Automatic Text Formatting
Audio Intelligence
Sonix
Automated transcription & translation in 53+ languages
In-browser transcript editor
Add subtitles to video
AI analysis tools
Transcribe YouTube videos
SEO-friendly media player
Key differentiators
AssemblyAI
- Industry-leading Speech AI
- Advanced audio intelligence
- Real-time transcription & insights
Sonix
- AI transcription & 53+ language translation
- Integrated subtitle editor & YouTube support
- SEO-friendly media player
Other comparisons
FAQ: AssemblyAI vs Sonix
AssemblyAI: AI models to transcribe and understand speech. Sonix: Automated transcription, translation, and subtitling in 53+ languages. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. AssemblyAI is freemium and Sonix is freemium.
The best choice between AssemblyAI and Sonix depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Both are primarily designed for individuals. The choice depends on which specific features you need.
AssemblyAI offers: Speech-to-Text, Speaker Diarization, Automatic Language Detection, Automatic Text Formatting. Sonix offers: Automated transcription & translation in 53+ languages, In-browser transcript editor, Add subtitles to video, AI analysis tools.
Based on our data, AssemblyAI currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.