Model comparison
VibeVoice-1.5B vs Phi-3.5 Mini
Capability radar, value bars, and side-by-side posture.
VibeVoice-1.5B
Not scored
value score
Phi-3.5 Mini
71
value score
VibeVoice-1.5B ctx
—
Phi-3.5 Mini ctx
128K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Phi-3.5 Mini71
Attribute tape
| Field | VibeVoice-1.5B | Phi-3.5 Mini |
|---|---|---|
| Developer | Microsoft AI | Microsoft AI |
| Context | — | 128K |
| Modalities | Text, Code | |
| Openness | — | Open Weights |
| Speed | — | — |
| Price | — | — |
| Value score | — | 71 |
| Summary | VibeVoice-1.5B is a Microsoft Research open-source text-to-speech model designed for long-form, multi-speaker conversational audio generation. It supports up to 90 minutes of continuous speech with up to four distinct speakers using a next-token diffusion framework. | Compact Phi model for edge and cheap inference. |