Model Summary
| Model | Positioning | Languages | Voice Settings | Extra Features |
|---|---|---|---|---|
| Sona Speech 1 | 기존 플래그십 모델 | 3 | Advanced | Phonemes with Timestamp, Streaming |
| Sona Speech 2 | 최신 플래그십 모델 | 23 | Advanced | Phonemes with Timestamp, Normalized Text |
| Sona Speech 2 Flash | 경량 / 저지연 모델 | 23 | Core | Phonemes with Timestamp, Normalized Text |
| Supertonic API 1 | 초경량 모델 | 5 | Minimal | – |
Supported Languages
| Model | Languages |
|---|---|
| Sona Speech 1 | en, ko, ja |
| Sona Speech 2 | en, ko, ja, bg, cs, da, el, es, et, fi, hu, it, nl, pl, pt, ro, ar, de, fr, hi, id, ru, vi |
| Sona Speech 2 Flash | en, ko, ja, bg, cs, da, el, es, et, fi, hu, it, nl, pl, pt, ro, ar, de, fr, hi, id, ru, vi |
| Supertonic API 1 | en, ko, ja, es, pt |
Supported Voice Settings
| Model | Voice Settings |
|---|---|
| Sona Speech 1 | pitch_shift, pitch_variance, speed, duration, similarity, text_guidance |
| Sona Speech 2 | pitch_shift, pitch_variance, speed, duration, similarity, text_guidance, subharmonic_amplitude_control |
| Sona Speech 2 Flash | pitch_shift, pitch_variance, speed, duration, subharmonic_amplitude_control |
| Supertonic API 1 | speed |
Additional Features
| Model | Supported Features |
|---|---|
| Sona Speech 1 | include_phonemes, streaming |
| Sona Speech 2 | include_phonemes, normalized_text |
| Sona Speech 2 Flash | include_phonemes, normalized_text |
| Supertonic API 1 | – |
Quick Selection Guide
| 이런 경우라면… | 추천 모델 |
|---|---|
| 기존 시스템과의 호환성 또는 스트리밍 출력이 필요한 경우 | Sona Speech 1 |
| 전반적으로 가장 높은 음성 품질이 필요한 경우 | Sona Speech 2 |
| 저지연 및 경량 추론이 필요한 경우 | Sona Speech 2 Flash |
| 초경량 모델이 필요한 경우 | Supertonic API 1 |