Qwen3-TTS-12Hz-0.6B-CustomVoice vs VibeVoice-Realtime-0.5B

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

Qwen · A
Params
910 M
Context
30d
1.6 M
apache-2.0 · commercial OK
microsoft · B
Params
1.0 B
Context
30d
657 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-TTS-12Hz-0.6B-CustomVoice VibeVoice-Realtime-0.5B
Parameters 910 M 1.0 B
Architecture Qwen3TTSForConditionalGeneration VibeVoiceStreamingForConditionalGenerationInference
Context length
Licence apache-2.0 mit
Commercial use Allowed Allowed
Languages 10 1
Downloads 30d 1,596,170 656,627
Downloads all time 4.9 M 5.1 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-01-21 2025-12-04

Download trend

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

1.6 M650 K
Qwen3-TTS-12Hz-0.6B-CustomVoice VibeVoice-Realtime-0.5B

VRAM side by side

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

VibeVoice-Realtime-0.5B · fp16 2.9 GB / 24 GB
✅ Runs comfortably
Qwen3-TTS-12Hz-0.6B-CustomVoice · fp16 3.4 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons