Compare text-to-speech API pricing
Pricing calculator
Stop overpaying for speech AI
Sonioxvs
1,000 hours of speech / month
1025501002505001k2.5k5k10k100k
Pricing assumptions
Based on public pay-as-you-go pricing. Enterprise discounts and committed-use contracts may differ. Some providers charge separately for certain features. The calculator uses the public price for the provider configuration that most closely matches Soniox.
What each provider charges
Hourly estimates based on each provider’s public pay-as-you-go pricing, converted from tokens, characters, or requests where needed. These are estimates, not quotes. Enterprise, committed-use, and separately billed features may differ.
| Provider | Real-time per hour |
|---|---|
| Speechmatics Updated July 2026 | $0.55 Speechmatics Text-to-Speech |
| Soniox Updated June 2026 | $0.70 tts-rt-v2 |
| Fish Audio Updated September 2026 | $0.75 s2.1-pro |
| xAI Updated September 2026 | $0.75 xAI Text-to-Speech |
| OpenAI Updated September 2026 | $0.90 gpt-4o-mini-tts |
| Google Updated August 2026 | $0.91 Gemini 2.5 Flash TTS |
| Smallest AI Updated September 2026 | $0.97 lightning_v3.1_pro |
| Azure Updated September 2026 | $1.10 Neural HD Voice |
| Inworld Updated September 2026 | $1.25 inworld-tts-2 |
| Deepgram Updated September 2026 | $1.50 Aura-2 |
| Cartesia Updated July 2026 | $1.85 sonic-3.6 |
| ElevenLabs Updated September 2026 | $5.00 Eleven v3 |