Qwen3-TTS-12Hz-1.7B-CustomVoice vs Qwen3-TTS-12Hz-1.7B-VoiceDesign
Specs, VRAM requirements and download trends — updated 22 October 2026.
Qwen · A · Open weights
Params
1.9 B
Context
—
30d
2.0 M
apache-2.0 · commercial OK
Qwen · B · Open weights
Params
1.9 B
Context
—
30d
431 K
apache-2.0 · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3-TTS-12Hz-1.7B-CustomVoice | Qwen3-TTS-12Hz-1.7B-VoiceDesign |
|---|---|---|
| Parameters | 1.9 B | 1.9 B |
| Architecture | Qwen3TTSForConditionalGeneration | Qwen3TTSForConditionalGeneration |
| Context length | — | — |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | — | — |
| Downloads 30d | 2,038,337 | 431,164 |
| Downloads all time | 17.3 M | 4.8 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-01-21 | 2026-01-21 |
Download trend
Daily snapshots, last 87 days (28 Jul – 22 Oct)
2.6 M332 K
Qwen3-TTS-12Hz-1.7B-CustomVoice
Qwen3-TTS-12Hz-1.7B-VoiceDesign
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
Qwen3-TTS-12Hz-1.7B-VoiceDesign · fp16
5.8 GB / 24 GB