Last updated: 28 June 2026
Deepgram vs Cartesia: TTS Pricing Comparison
Deepgram is 40% cheaper starting at $0.030/1k chars. Here's the full breakdown of pricing, quality, latency, and language support.
Price Comparison
| Characters | Deepgram Aura | Cartesia Sonic |
|---|---|---|
| 10,000 | $0.30 | $0.50 |
| 100,000 | $3.00 | $5.00 |
| 1,000,000 | $30.00 | $50.00 |
Feature Comparison
Deepgram
Best for: Real-time conversational AI, voice bots, and applications where latency matters most.
Strengths
- ✓ Ultra-low latency (90ms)
- ✓ Streaming-optimized
- ✓ Simple pay-as-you-go
- ✓ $200 free credits
Cartesia
Best for: Ultra-low-latency applications like gaming, real-time voice agents, and interactive experiences.
Strengths
- ✓ Fastest latency (65ms)
- ✓ Voice cloning
- ✓ 40+ languages
- ✓ Streaming support
Frequently Asked Questions
Is Deepgram or Cartesia cheaper for text-to-speech?
Deepgram is cheaper, starting at $0.030 per 1,000 characters with Deepgram Aura. That’s 40% less than Cartesia Sonic at $0.050 per 1,000 characters.
How much does Deepgram TTS cost compared to Cartesia?
Deepgram pricing starts at $0.030 per 1k chars (Deepgram Aura), while Cartesia starts at $0.050 per 1k chars (Cartesia Sonic). For 1 million characters, that’s $30.00 vs $50.00.
Which has better voice quality, Deepgram or Cartesia?
Based on TTS Arena benchmarks, Cartesia scores higher on voice quality. Deepgram’s best model scores 3.7/5 while Cartesia’s best scores 4/5.
Deepgram vs Cartesia: which is faster?
Cartesia has lower latency. Deepgram’s fastest model has 120ms time-to-first-audio, while Cartesia’s fastest is 65ms.