chatterbox vs s2-pro
Specs, VRAM requirements and download trends — updated 6 August 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | chatterbox | s2-pro |
|---|---|---|
| Parameters | — | 4.6 B |
| Architecture | — | — |
| Context length | — | — |
| Licence | mit | other |
| Commercial use | Allowed | Unknown |
| Languages | 23 | 83 |
| Downloads 30d | 2,504,910 | 367,717 |
| Downloads all time | 19.2 M | 1.1 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-04-24 | 2026-03-09 |
Download trend
10 days of snapshots recorded — the trend chart unlocks at 7 days.
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
s2-pro · fp16
11.2 GB / 24 GB
chatterbox · fp16
12.2 GB / 24 GB