OpenAI GPT-4o mini TTS | Inworld Inworld Realtime TTS-2 | |
|---|---|---|
| $/1M chars | $20.00 | $25.00 |
| Voice quality | neural | neural |
| Voice cloning | — | ✓ included |
| Voice count | — | — |
| Languages | en | 200+ |
| SSML support | — | — |
| TTFB | — | — |
| Output formats | — | — |
| Verified | 2026-09-02 | 2026-09-02 |
| Source | provider page ↗ | provider page ↗ |