Enterprise Voice AI: STT, TTS & Agent APIs for accurate, realistic, and cost-effective voice solutions.
Visit WebsiteThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Fast transcription
Biggest con
Newer player
TL;DR - Deepgram
- AI speech-to-text API
- Fast, accurate transcription
- Real-time and batch processing
What is Deepgram?
Available on: Web
Pros & Cons
Pros
- Fast transcription
- Good accuracy
- Real-time support
- Developer friendly
- Competitive pricing
Cons
- Newer player
- Language limitations
- Enterprise features limited
- Documentation gaps
- Smaller community
Ratings Across the Web
Ratings aggregated from independent review platforms. Learn more
Key Features
Pricing Plans
Free TrialPay As You Go
Free
Usage-based with $200 free credit (~43,000 minutes Nova transcription)
- $200 free credit (no expiration)
- No credit card required
- Nova-3 STT at $0.0077/min (mono) or $0.0092/min (multi)
- Nova-1/2 STT at $0.0058/min
- Flux STT at $0.0077/min
- Aura-2 TTS at $0.030/1K characters
- Aura-1 TTS at $0.015/1K characters
- Voice Agent API from $0.050/min
- 100 REST API concurrent connections
- 150 WebSocket concurrent connections
- Smart formatting included
- Speaker diarization at $0.002/min add-on
- PII redaction at $0.002/min add-on
- True per-second billing
Growth
$4,000/year (minimum)
Pre-paid credits with up to 20% savings and higher concurrency
- Up to 20% discount vs Pay As You Go
- Nova-3 STT at $0.0065/min (mono) or $0.0078/min (multi)
- Nova-1/2 STT at $0.0047/min
- Flux STT at $0.0065/min
- Aura-2 TTS at $0.027/1K characters
- Aura-1 TTS at $0.0135/1K characters
- Voice Agent API from $0.041/min
- 100 REST API concurrent connections
- 225 WebSocket concurrent connections
- Pre-paid credits redeemed against usage
- Higher concurrency limits
Enterprise
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Custom pricing for large volumes, specific deployment, or support needs
- Custom volume pricing
- Custom concurrency limits
- Dedicated support
- Custom deployment options
- SLA guarantees
- On-premises available
Reviews
Across 437 verified user reviews on G2
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Best Deepgram Alternatives
Top alternatives based on features, pricing, and user needs.
Generate lifelike AI voices in 29 languages, clone voices, and enable real-time speech
Google's advanced AI models with multimodal understanding and deep integration
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Speech-to-text API with high accuracy transcription
AI Agents for customer experience: Automate interactions, augment agents, and analyze conversations.
Open-source speech recognition
Automated clinical notes from natural conversations
Still deciding?
Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.
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Deepgram FAQ
Is Deepgram free?
What is Nova-3?
Does Deepgram support custom models?
Does Deepgram support self-hosting?
Source: deepgram.com