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What Is Deepgram Aura-2?
Ultra-low latency TTS with 90ms time-to-first-byte, built for conversational AI.
Deepgram Aura-2 is a text-to-speech API purpose-built for real-time conversational AI. It delivers industry-leading latency with approximately 90ms time-to-first-byte, making it the fastest option for voice bots, virtual assistants, and interactive voice response systems. Aura-2 offers 93+ voices across 7 languages.
Official: Deepgram website
Supported Languages (7)
Strengths
- ~90ms latency
- 93+ voices
- Conversational AI optimized
- Streaming output
- Real-time synthesis
Limitations
- Does not support voice cloning
- Premium tier — requires credits
- Commercial API — higher per-character cost
How to Use Deepgram Aura-2 via WhatIsTTS
No API key management needed. We handle authentication, routing, and billing through our unified platform.