audio.cpp-gguf vs VibeVoice-1.5B
Specs, VRAM requirements and download trends — updated 20 September 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | audio.cpp-gguf | VibeVoice-1.5B |
|---|---|---|
| Parameters | — | 2.7 B |
| Architecture | — | VibeVoiceForConditionalGeneration |
| Context length | — | — |
| Licence | other | mit |
| Commercial use | Unknown | Allowed |
| Languages | — | 2 |
| Downloads 30d | 4,266,814 | 482,056 |
| Downloads all time | 5.0 M | 3.3 M |
| Quantizations on the Hub | GGUF, SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-07-14 | 2025-08-25 |
Download trend
Daily snapshots, last 34 days (18 Aug – 20 Sep)
4.3 M401 K
audio.cpp-gguf
VibeVoice-1.5B
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
audio.cpp-gguf · fp16
1.4 GB / 24 GB
audio.cpp-gguf · Q4_0
2.2 GB / 24 GB
VibeVoice-1.5B · fp16
6.9 GB / 24 GB