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
HunyuanVideo
13B open-weight cinematic text-to-video.
Open Source 24–48 GB VRAMRuns locally
Actually FreeNo SignupOpen SourceWatermark-FreePlugin
Requires: ComfyUI
Visit HunyuanVideoUpdated 2026-05-06 · Direct link
Hardware requirements
Runs locally · Workstation GPU (32–48 GB)
Min VRAM
24 GB
Rec. VRAM
48 GB
Min RAM
64 GB
Rec. RAM
128 GB
Disk
120 GB
GPU class
Workstation GPU
CUDA 12.xNo Apple SiliconGPU RequiredQuant: FP16, FP8, GGUF Q4_K_M +1
GGUF Q4_K_M is the only realistic path on 24 GB cards.
Screenshot placeholder · HunyuanVideo
What is HunyuanVideo?
Tencent's HunyuanVideo is a 13B parameter video diffusion model with strong motion coherence and cinematic look. Runs in ComfyUI with FP8 / GGUF; 24 GB is the practical floor.
Pros & cons
Pros
- Cinematic motion
- Strong prompt adherence
- Active LoRA community
Cons
- Heavy VRAM
- 5-second clips at 720p still take minutes
- No audio
What's actually free?
Open weights. Free to run on your own hardware.
✓ Actually FreeNo SignupOpen SourceWatermark-Free
Alternatives
CogVideoX 5B
Open-source text-to-video diffusion from THUDM.
Open Source 12–24 GB VRAM
- Min VRAM
- 12 GB
- GPU class
- High-end 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