AssemblyAI
AI models to transcribe and understand speech
VS
Deepgram
Enterprise Voice AI: STT, TTS & Agent APIs.
Detailed comparison
Criteria
AssemblyAI
Deepgram
Pricing
Freemium
Freemium
Plans & pricing
Free: Free, Enterprise: Custom
Free: Free, Pay-as-you-go: Custom, Enterprise: Custom
Free trial
Yes
No
Audience
b2b
b2b
Platforms
Web, Api
Api
API
Yes
Yes
Open Source
Proprietary
Proprietary
Categories
Voice, Dev Tools
Voice, Audio
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...
Deepgram powers enterprise voice solutions with its Speech-to-Text (STT), Text-to-Speech (TTS), and Voice Agent APIs. These APIs provide real-time, ac...
Pricing
AssemblyAI
Freemium
Deepgram
Freemium
Plans & pricing
AssemblyAI
Free: Free, Enterprise: Custom
Deepgram
Free: Free, Pay-as-you-go: Custom, Enterprise: Custom
Free trial
AssemblyAI
Yes
Deepgram
No
Audience
AssemblyAI
b2b
Deepgram
b2b
Platforms
AssemblyAI
Web, Api
Deepgram
Api
API
AssemblyAI
Yes
Deepgram
Yes
Open Source
AssemblyAI
Proprietary
Deepgram
Proprietary
Categories
AssemblyAI
Voice, Dev Tools
Deepgram
Voice, Audio
Popularity
AssemblyAI
Very High
Deepgram
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...
Deepgram
Deepgram powers enterprise voice solutions with its Speech-to-Text (STT), Text-to-Speech (TTS), and Voice Agent APIs. These APIs provide real-time, ac...
Features
AssemblyAI
Speech-to-Text
Speaker Diarization
Automatic Language Detection
Automatic Text Formatting
Audio Intelligence
Deepgram
Speech-to-Text (STT) API
Text-to-Speech (TTS) API
Voice Agent APIs
Real-time & Accurate AI
Enterprise-grade Scale
Flexible Developer APIs
Key differentiators
AssemblyAI
- Industry-leading Speech AI
- Advanced audio intelligence
- Real-time transcription & insights
Deepgram
- Real-time, highly accurate voice AI
- Enterprise-grade voice solutions
- Comprehensive STT, TTS, Voice Agent APIs
Other comparisons
FAQ: AssemblyAI vs Deepgram
AssemblyAI: AI models to transcribe and understand speech. Deepgram: Enterprise Voice AI: STT, TTS & Agent APIs.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. AssemblyAI is freemium and Deepgram is freemium.
The best choice between AssemblyAI and Deepgram 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. Deepgram offers: Speech-to-Text (STT) API, Text-to-Speech (TTS) API, Voice Agent APIs, Real-time & Accurate AI.
Based on our data, Deepgram currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.