AssemblyAI vs Deepgram
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
AssemblyAI offers more features (38 vs 31) and more integrations (21 vs 0). Both start at Free. AssemblyAI has 34 unique features while Deepgram has 27 unique features, with 4 features in common.
| AssemblyAI | Deepgram | |
|---|---|---|
| Category | AI & Machine Learning | AI & Machine Learning |
| Total Features | 38 | 31 |
| AI-Powered Features | 28 | 24 |
| Starting Price | Free | Free |
| Pricing Tiers | 3 | 4 |
| Integrations | 21 | 0 |
| Shared Features | 4 | |
| Shared Integrations | 0 | |
| Data Quality | 90% | 70% |
Feature Comparison by Category
AI Integration (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| LLM Gateway |
AI Model (3 vs 6)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Base Model | ||
| Enhanced Model | ||
| Flux Model | ||
| Nova-1 & Nova-2 | ||
| Nova-3 (Monolingual) | ||
| Nova-3 (Multilingual) | ||
| Universal-2 Model | ||
| Universal-3 Pro Model | ||
| Universal-Streaming Model |
API (0 vs 1)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Deepgram Whisper Cloud |
API Type (0 vs 2)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| REST API | ||
| WebSocket (WSS) API |
Analytics (0 vs 1)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Audio Intelligence |
Applications (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Voice Agent Support |
Audio Intelligence (0 vs 4)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Intent Recognition | ||
| Sentiment Analysis | ||
| Summarization | ||
| Topic Detection |
Compliance (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| EU Data Residency | ||
| HIPAA Compliance |
Content Moderation (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Content Moderation | ||
| Profanity Filtering |
Core API (0 vs 4)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| LLM Orchestration | ||
| Speech-to-Text (STT) | ||
| Text-to-Speech (TTS) | ||
| Voice Agent API |
Core Transcription (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Speech-to-Text (Pre-recorded) | ||
| Streaming Speech-to-Text |
Customization (3 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Custom Spelling | ||
| Keyterms Prompting | ||
| Plain Language Instructions |
Deployment (0 vs 4)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Batch Processing | ||
| Cloud Deployment | ||
| Self-Hosted Deployment | ||
| Streaming API |
Developer Tools (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| API Documentation | ||
| No-code Playground |
Enterprise (0 vs 1)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Custom Models |
Infrastructure (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Self-hosted Deployments |
Integration (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| LiveKit SDK Integration |
Localization (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Multi-language Streaming |
Program (0 vs 1)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Model Improvement Program |
STT Add-on (0 vs 5)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Automatic Language Detection | ||
| Keyterm Prompting | ||
| Redaction | ||
| Smart Formatting | ||
| Speaker Diarization |
Security/Privacy (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| PII Audio Redaction | ||
| PII Text Redaction |
Speech Processing (1 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| End-of-Turn Detection |
Speech Understanding (6 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Entity Detection | ||
| Language Detection | ||
| Sentiment Analysis | ||
| Speaker Diarization | ||
| Speaker Identification | ||
| Translation |
Support (2 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Custom SLAs and SLOs | ||
| Dedicated Technical Support |
TTS Model (0 vs 2)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Aura-1 TTS Model | ||
| Aura-2 TTS Model |
Text Analysis (3 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Filler Words Detection | ||
| Key Phrases | ||
| Topic Detection |
Text Processing (5 vs 0)
| Feature | AssemblyAI | Deepgram |
|---|---|---|
| Auto Chapters | ||
| Auto Punctuation and Casing | ||
| Custom Formatting | ||
| Summarization | ||
| Word-level Timestamps |
Unique Features
Only in AssemblyAI (34)
LLM Gateway
Universal-2 Model
Universal-3 Pro Model
Universal-Streaming Model
Voice Agent Support
EU Data Residency
HIPAA Compliance
Content Moderation
Profanity Filtering
Speech-to-Text (Pre-recorded)
Streaming Speech-to-Text
Custom Spelling
Keyterms Prompting
Plain Language Instructions
API Documentation
No-code Playground
Self-hosted Deployments
LiveKit SDK Integration
Multi-language Streaming
PII Audio Redaction
+ 14 more unique features
Only in Deepgram (27)
Base Model
Enhanced Model
Flux Model
Nova-1 & Nova-2
Nova-3 (Monolingual)
Nova-3 (Multilingual)
Audio Intelligence
Deepgram Whisper Cloud
REST API
WebSocket (WSS) API
Intent Recognition
LLM Orchestration
Speech-to-Text (STT)
Text-to-Speech (TTS)
Voice Agent API
Batch Processing
Cloud Deployment
Self-Hosted Deployment
Streaming API
Custom Models
+ 7 more unique features
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