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