chatterbox vs Qwen3-TTS-12Hz-1.7B-CustomVoice
Specs, VRAM requirements and download trends — updated 10 November 2026.
Qwen · B · Open weights
Params
1.9 B
Context
—
30d
1.4 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 | 2,399,737 | 1,412,025 |
| Downloads all time | 25.6 M | 18.2 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 90 days (13 Aug – 10 Nov)
2.6 M1.4 M
chatterbox
Qwen3-TTS-12Hz-1.7B-CustomVoice
A overtook B on 27 Oct
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen3-TTS-12Hz-1.7B-CustomVoice · fp16
5.8 GB / 24 GB
chatterbox · fp16
12.2 GB / 24 GB