chatterbox vs Qwen3-TTS-12Hz-1.7B-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

1.9 B

Context

—

30d

2.3 M

apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification	chatterbox	Qwen3-TTS-12Hz-1.7B-CustomVoice
Parameters	—	1.9 B
Architecture	—	Qwen3TTSForConditionalGeneration
Context length	—	—
Licence	mit	apache-2.0
Commercial use	Allowed	Allowed
Languages	23	—
Downloads 30d	2,504,910	2,314,012
Downloads all time	19.2 M	11.0 M
Quantizations on the Hub	SAFETENSORS	SAFETENSORS
Gated	No	No
First seen on the Hub	2025-04-24	2026-01-21

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

2.6 M2.3 M

chatterbox Qwen3-TTS-12Hz-1.7B-CustomVoice

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

Qwen3-TTS-12Hz-1.7B-CustomVoice · fp16 5.8 GB / 24 GB

✅ Runs comfortably

chatterbox · fp16 12.2 GB / 24 GB

✅ Runs comfortably