chatterbox vs VoxCPM2
Specs, VRAM requirements and download trends — updated 22 October 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | chatterbox | VoxCPM2 |
|---|---|---|
| Parameters | — | 2.3 B |
| Architecture | — | — |
| Context length | — | — |
| Licence | mit | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | 23 | 30 |
| Downloads 30d | 1,774,637 | 901,936 |
| Downloads all time | 23.9 M | 3.6 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-04-24 | 2026-04-03 |
Download trend
Daily snapshots, last 87 days (28 Jul – 22 Oct)
2.6 M350 K
chatterbox
VoxCPM2
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
VoxCPM2 · fp16
5.9 GB / 24 GB
chatterbox · fp16
12.2 GB / 24 GB