Pick HunyuanVideo 1.5 if…
You want avatar gen, custom characters, or research.
Pick Open-Sora 2.0 if…
You want research, learning, or custom builds.
Specifications
Maker
Tencent
HPC-AI Tech
Source Type
Open Source
Open Source
License
Tencent Open (check terms)
Apache 2.0
Architecture
DiT + 3D Causal VAE
3D Autoencoder
Parameters
8.3B
Undisclosed
Max Resolution
720p
720p
Max Duration
6-10s
15s
FPS
24
24
Native Audio
No
No
ComfyUI Support
Yes
Yes
Fine-tunable
Yes
Yes
Min VRAM
24GB (RTX 4090)
40GB+
Cost / Second
$0.06
Self-host
Inputs
T2V, I2V, Avatar
T2V, I2V
On Floyo
Yes
No
Strengths & Trade-offs
HunyuanVideo 1.5
Strengths
- +Efficient 8.3B params
- +~75s on 4090
- +Avatar + Custom variants
Trade-offs
- -Short output
- -720p max
- -no audio
Best For
- →Avatar gen
- →custom characters
- →research
- →consumer GPU
Open-Sora 2.0
Strengths
- +Open source
- +good for research and learning
- +3D autoencoder
Trade-offs
- -Needs high-end GPU
- -less polished than Wan/LTX
Best For
- →Research
- →learning
- →custom builds
Run these models on Floyo
Browser-based ComfyUI. No setup, no GPU required.
Audio/FoleyHunyuanVideo 1.5
HunyuanVideo Foley (Lifelike Audio)
I2VHunyuanVideo 1.5
HunyuanVideo 1.5 Image to Video
I2VOpen-Sora 2.0
Sora 2 Pro Image to Video
Post-processingOpen-Sora 2.0
Sora 2 Watermark Remover + FlashSV