chatterbox vs OmniVoice

Specs, VRAM requirements and download trends — updated 20 September 2026.

ResembleAI · A
Params
Context
30d
1.8 M
mit · commercial OK
k2-fsa · B
Params
610 M
Context
30d
1.3 M

Specification comparison

Differences are highlighted; identical values are muted.

Specification chatterbox OmniVoice
Parameters 610 M
Architecture OmniVoice
Context length
Licence mit
Commercial use Allowed Unknown
Languages 23 646
Downloads 30d 1,849,950 1,313,446
Downloads all time 22.0 M 8.6 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-04-24 2026-03-30

Download trend

Daily snapshots, last 55 days (28 Jul – 20 Sep)

2.6 M765 K
chatterbox OmniVoice

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

OmniVoice · fp16 4.2 GB / 24 GB
✅ Runs comfortably
chatterbox · fp16 12.2 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons