Introducing Aura-2: Enterprise-grade Text to Speech
Aura-2 is Deepgram’s next-gen text-to-speech API - designed to deliver natural, professional speech with real-time performance, domain-specific accuracy, and secure, scalable for both cloud and on-prem deployments.
Aura-2 Text to Speech features
Unlike entertainment-focused TTS models, Aura-2 offers text-to-speech engineered to meet the rigorous, real-time, and scalable demands of enterprise environments.
Domain-tuned pronunciation
Ensures accurate pronunciation for industry-specific terminology in healthcare, finance, legal, and beyond.
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Authentic, Natural Voices
Features 40+ English voices with localized accents, delivering natural, business-appropriate speech for professional settings.
Context-aware delivery
Adjusts pacing, tone, and expression to ensure smooth, coherent communication in any context.
Real-time performance
Delivers sub-200ms latency for ultra-responsive interactions, while efficiently handling thousands of concurrent requests.
Cost-effectiveness at scale
Achieves enterprise-grade speech at $0.030 per 1,000 characters—no hidden fees, with volume discounts for large deployments.
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Flexible deployment options
Supports public, private cloud, and on-premises deployments, ensuring compliance and security.
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Enterprise-ready AI voices
Natural, Business-Ready Speech – Voices tailored for professional and transactional environments, rather than media or theatrical use cases.
Scalable infrastructure for Text to Speech
Powered by Deepgram Enterprise Runtime (DER): Enables flexible deployment (cloud, VPC, on-prem), model hot-swapping, and real-time optimization—capabilities most TTS vendors can’t match.
Natural, Accurate, and Fast
Aura-2 Delivers human-like speech with domain-specific pronunciation and sub-200ms latency, all at a price point built for scale.
Trusted by enterprises and AI leaders for Text to Speech excellence
Deepgram showed me less than 200ms latency today. That's the fastest text-to-speech I’ve ever seen. And, our customers would be more than satisfied with the conversation quality.
Aura-2’s remarkable clarity and naturalness significantly enhance our conversational AI solutions, making customer interactions smoother and more engaging.
Aura-2 sets a new bar for enterprise-grade TTS. The clarity, consistency, and low latency it delivers have been game-changers for our AI agent experiences.
We’ve been really impressed with the quality and responsiveness of Aura-2. Deepgram’s approach to text-to-speech shows real promise for creating natural, scalable voice experiences.
In our initial tests with Deepgrams text-to-speech, we've consistently seen sub 200ms latency, which is 2-4x faster than what we've been getting with play.ht and virtually all other text-to-speech providers.
We’ve decided to use Aura for our text-to-speech because latency is crucial to a natural conversational flow. We’ve tried other vendors and Aura is the fastest of the high voice quality options.
Deepgram and Groq share the belief that speed and efficiency are the missing ingredients in unlocking natural AI for daily use by everyone.
Aura's very fast time-to-first-byte and natural voice quality make it a perfect fit for conversational AI agents.
Aura’s voices are very realistic and extremely fast, striking the right balance between quality and latency that’s needed to put in production.
Aura is becoming the preferred choice for our voice AI customers at Retell AI. With its impressive 200ms latency, affordability, and human-like voices, it has set a new standard within our offerings.
Try Aura‑2: The First Enterprise‑Grade TTS
Aura‑2 was built for production, not performance art. If you're building real-time voice agents, IVRs, or apps that require clarity, speed, and scale - Aura‑2 is the TTS you've been waiting for.
Fill out the form to find out what the leading text-to-speech API can do for you.