chatterbox vs Qwen3-TTS-12Hz-0.6B-CustomVoice

Specs, VRAM requirements and download trends — updated 6 August 2026.

ResembleAI · A
Params
Context
30d
2.5 M
mit · commercial OK
Qwen · B
Params
910 M
Context
30d
1.6 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification chatterbox Qwen3-TTS-12Hz-0.6B-CustomVoice
Parameters 910 M
Architecture Qwen3TTSForConditionalGeneration
Context length
Licence mit apache-2.0
Commercial use Allowed Allowed
Languages 23 10
Downloads 30d 2,504,910 1,596,170
Downloads all time 19.2 M 4.9 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-04-24 2026-01-21

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

2.6 M1.6 M
chatterbox Qwen3-TTS-12Hz-0.6B-CustomVoice

VRAM side by side

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

Qwen3-TTS-12Hz-0.6B-CustomVoice · fp16 3.4 GB / 24 GB
✅ Runs comfortably
chatterbox · fp16 12.2 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons