BOpen

Mochi 1

Genmo

Most permissive large-scale open model. Ideal for custom pipelines.

BOpen

Open-Sora 2.0

HPC-AI Tech

Research-grade open model. Good for understanding video gen internals.

Pick Mochi 1 if…

You want photorealistic clips, fine-tuning, or research.

Pick Open-Sora 2.0 if…

You want research, learning, or custom builds.

Specifications

Maker
Genmo
HPC-AI Tech
Source Type
Open Source
Open Source
License
Apache 2.0
Apache 2.0
Architecture
AsymmDiT + AsymmVAE
3D Autoencoder
Parameters
10B
Undisclosed
Max Resolution
480p (720p coming)
720p
Max Duration
5.4s
15s
FPS
30
24
Native Audio
No
No
ComfyUI Support
Yes
Yes
Fine-tunable
Yes
Yes
Min VRAM
40GB+ (A100/H100)
40GB+
Cost / Second
$0.33/clip
Self-host
Inputs
T2V
T2V, I2V
On Floyo
No
No

Strengths & Trade-offs

Mochi 1

Strengths

  • +Best photorealism in open source
  • +Apache 2.0
  • +LoRA support
  • +128:1 VAE

Trade-offs

  • -480p only
  • -needs A100/H100
  • -5.4s max
  • -weak on stylized

Best For

  • Photorealistic clips
  • fine-tuning
  • research
  • permissive commercial use

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