Last updated: 28 June 2026
Deepgram TTS Pricing
Deepgram Aura-2 is optimized for low-latency streaming TTS, making it ideal for real-time conversational AI and voice agents. Offers sub-100ms time-to-first-audio with pay-as-you-go pricing.
Models
1
Aura
From
$0.030
per 1K chars
Quality
3.7/5
Latency
120ms
time-to-first-audio
Languages
30
supported
Free Tier
AvailableAvailable Models & Pricing
Deepgram Aura
Quality
3.7/5
Latency
120ms
Languages
30
Pay-as-you-go. Aura-2, streaming-focused.
Cost Examples
| Characters | Aura |
|---|---|
| 1K | $0.030 |
| 10K | $0.300 |
| 100K | $3.00 |
| 1M | $30.00 |
When to Use Deepgram
Best for
Real-time conversational AI, voice bots, and applications where latency matters most.
Key strengths
- ✓Ultra-low latency (90ms)
- ✓Streaming-optimized
- ✓Simple pay-as-you-go
- ✓$200 free credits
Frequently Asked Questions
How much does Deepgram Aura TTS cost?
Deepgram Aura-2 costs $30 per million characters ($0.030/1K chars) on pay-as-you-go pricing. New accounts receive $200 in free signup credits that can be used across Deepgram speech-to-text and text-to-speech APIs.
Does Deepgram have a free TTS tier?
Deepgram provides $200 in free signup credits for new accounts, which works out to over 6.6 million characters of Aura-2 TTS. There is no ongoing monthly free tier — once credits are used, you pay $30/1M chars.
Is Deepgram Aura good for real-time voice applications?
Yes — Deepgram Aura-2 is optimized for streaming with approximately 120ms time-to-first-audio latency, making it one of the fastest TTS APIs after Cartesia Sonic (65ms). At $30/1M chars, it is also cheaper than Cartesia ($50/1M chars) for real-time use cases.
How many languages does Deepgram Aura support?
Deepgram Aura-2 currently supports 30 languages. If you need wider language coverage, Azure (140+ languages), Google (75), or OpenAI (~50) are also excellent options.