Deepgram
Listed at https://deepgram.com
Overall Rank #21 ⭐ Consider
⚠️ Partially available (proxy required, no mainland China data center) | 🌍 International
💰 Token Pricing
| Type | Price | Note |
|---|---|---|
| Input | STT: $0.0043-0.012/min; TTS: $0.015-0.030/1K chars | per million tokens |
| Output | N/A | per million tokens |
💡 Free Credits:
🤖 Supported Models (8)
Nova-3 (STT, Monolingual)Nova-3 (STT, Multilingual)Flux (STT, Conversational)Aura-2 (TTS)Aura-1 (TTS)Whisper (STT)
✨ Pros
- ✓Nova-3 STT: 54% WER reduction, industry-leading accuracy
- ✓50+ STT languages including Mandarin and Cantonese
- ✓Sub-300ms STT latency, sub-200ms TTS latency
- ✓$200 free credits, no credit card required
- ✓Full voice stack: STT + TTS + Voice Agent API
- ✓SOC 2/HIPAA/GDPR/PCI compliant
- ✓Self-hosted deployment option available
- ✓Startup program: up to $100K in credits
⚠️ Cons
- ×TTS only supports 7 languages (no Chinese)
- ×No mainland China data center — proxy required
- ×No affiliate program available
- ×Add-on features (custom vocabulary, speaker diarization) cost extra
- ×Billed per minute/character — not directly comparable to LLM token pricing
🎯 Best For
High-accuracy STT applications (meeting transcription, call center analytics, captioning); low-latency TTS for voice assistants; multilingual audio processing; self-hosted voice AI deployments