Wan 2.2
Open-weight video diffusion from Alibaba.
Open Source 12–48 GB VRAM
- Min VRAM
- 12 GB
- GPU class
- Workstation GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
CogVideoX 5B
Open-source text-to-video diffusion from THUDM.
Open Source 12–24 GB VRAMRuns locally
Actually FreeNo SignupOpen SourceWatermark-FreeHobbyist-FriendlyPlugin
Requires: ComfyUI
Visit CogVideoX 5BUpdated 2026-04-19 · Direct link
Hardware requirements
Runs locally · High-end GPU (16–24 GB)
Min VRAM
12 GB
Rec. VRAM
24 GB
Min RAM
32 GB
Rec. RAM
64 GB
Disk
40 GB
GPU class
High-end GPU
CUDA 12.xNo Apple SiliconGPU RequiredQuant: FP16, FP8
2B variant runs on 12 GB. 5B fits 24 GB comfortably.
Screenshot placeholder · CogVideoX 5B
What is CogVideoX 5B?
CogVideoX is a 5B parameter T2V model with strong prompt following and a relatively friendly VRAM profile. The 5B variant runs on 24 GB; the 2B variant fits in 12 GB.
Pros & cons
Pros
- Lower VRAM than Hunyuan/Wan
- I2V variants available
- Active in ComfyUI nodes
Cons
- Shorter clips by default
- Behind Wan 2.2 in motion realism
What's actually free?
Open weights. Free to run locally.
✓ Actually FreeNo SignupOpen SourceWatermark-Free
Alternatives
HunyuanVideo
13B open-weight cinematic text-to-video.
Open Source 24–48 GB VRAM
- Min VRAM
- 24 GB
- GPU class
- Workstation GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
LTX-Video
Real-time-ish open video diffusion from Lightricks.
Open Source 12–16 GB VRAM
- Min VRAM
- 12 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free