Deepgram Inc. · Specialized
Deepgram
An enterprise speech AI platform offering real-time speech-to-text and text-to-speech with industry-leading speed, accuracy, and cost efficiency.
Overview
Deepgram provides enterprise-grade speech AI through a cloud API, offering both speech-to-text (Nova-2) and text-to-speech (Aura) models. Nova-2, their flagship ASR model, claims the highest accuracy across multiple audio domains including phone calls, meetings, and media while processing audio up to 40x faster than real-time. Deepgram differentiates through its end-to-end deep learning approach that processes raw audio directly, avoiding the accuracy losses of traditional multi-stage ASR pipelines, making it a preferred choice for enterprise voice AI applications.
Model
Nova-2 (ASR), Aura (TTS)
Speed
Up to 40x real-time processing
Languages
36+ languages
Latency
<300ms for streaming transcription
Deployment
Cloud API, on-premise available
Capabilities
Real-time and batch speech-to-text transcription
Text-to-speech with natural-sounding voices (Aura)
Speaker diarization and identification
Topic detection and summarization
Custom vocabulary and model fine-tuning
Sentiment analysis on transcribed speech
Use Cases
Building real-time captioning for video conferencing platforms
Transcribing and analyzing contact center calls at scale
Creating voice-enabled applications with speech-to-text
Generating natural speech output for AI assistants and chatbots
Pros
- +Industry-leading speed and accuracy for enterprise ASR
- +Real-time streaming with sub-300ms latency
- +Comprehensive audio intelligence features beyond transcription
- +Custom model training for domain-specific vocabulary
Cons
- -Closed-source; cannot self-host without enterprise agreement
- -Fewer language options than Whisper's 99-language support
- -Costs accumulate for high-volume audio processing
- -On-premise deployment requires enterprise-tier commitment
Pricing
Pay-as-you-go STT: $0.0043/minute (Nova-2). TTS: $0.0150/1K characters. Growth plan with volume discounts. Free tier: $200 in credits.