Model comparison
Supertonic 3 vs Claude 4 Opus
Capability radar, value bars, and side-by-side posture.
Supertonic 3
Not scored
value score
Claude 4 Opus
95
value score
Supertonic 3 ctx
—
Claude 4 Opus ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Opus95
Attribute tape
| Field | Supertonic 3 | Claude 4 Opus |
|---|---|---|
| Developer | Supertone | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $15/1M in · $75/1M out |
| Value score | — | 95 |
| Summary | Supertonic 3 is an open-weight, on-device multilingual text-to-speech model from Supertone Inc. that synthesizes speech from text across 31 languages, running efficiently on CPUs and edge devices via ONNX Runtime without requiring cloud API calls. | Anthropic frontier Opus-class model. |