ComfyUI
The nodal workflow engine for serious diffusion.
Open Source 6–16 GB VRAM
- Min VRAM
- 6 GB
- GPU class
- Mid GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Best AI tools for generate video
Local & cloud video diffusion: Wan, Hunyuan, CogVideoX, LTX.
Hardware:
23 tools
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 VRAM
- Min VRAM
- 24 GB
- GPU class
- Workstation GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Runway Gen-4
Cinematic-quality cloud video generation.
Paid · from $15/mo☁ Cloud · no GPU
Watermark-FreeAPI
Hunyuan3D-2
Tencent's open 3D generator — multi-view, PBR, ready-to-use meshes.
Open Source 12–16 GB VRAM
- Min VRAM
- 12 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeOpen SourceWatermark-FreeAPI
KJNodes for ComfyUI
Cutting-edge video & advanced sampling nodes by Kijai.
Open Sourcevia comfyui
Actually FreeNo SignupOpen SourceWatermark-Free
Mochi 1
Genmo's 10-B open-weight T2V — the first 'genuinely fluid' OSS video model.
Open Source 24–60 GB VRAM
- Min VRAM
- 24 GB
- GPU class
- Workstation GPU
- Quant
- BF16
Actually FreeNo SignupOpen SourceWatermark-Free
Kling 2.1
Cloud video gen with strong motion control.
Paid · from $10/mo☁ Cloud · no GPU
Watermark-FreeAPI
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
Pika 2.2
Cloud video generation with Pikaffects and Scenes.
Freemium · from $10/mo☁ Cloud · no GPU
Hobbyist-FriendlyAPI
Diffusers
Hugging Face's go-to library for every diffusion model.
Open Source 4–12 GB VRAM
- Min VRAM
- 4 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Magi-1
Autoregressive video diffusion at 24 GB.
Open Source 24–48 GB VRAM
- Min VRAM
- 24 GB
- GPU class
- Workstation GPU
- Quant
- FP8
Actually FreeNo SignupOpen SourceWatermark-Free
TRELLIS
Microsoft Research's structured 3D representation model.
Open Source 16–24 GB VRAM
- Min VRAM
- 16 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Luma AI
Phone-scan to NeRF, Genie text-to-3D, and Dream Machine video.
Freemium · from $30/mo☁ Cloud · no GPU
Hobbyist-FriendlyAPI
MMAudio
Generate synchronized audio for any silent video.
Open Source 8–12 GB VRAM
- Min VRAM
- 8 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
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
TripoSR
Single-image to 3D mesh in under a second on a 4090.
Open Source 6–8 GB VRAM
- Min VRAM
- 6 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
AnimateDiff
Add motion to any SD checkpoint via a motion module.
Open Source 8–12 GB VRAM
- Min VRAM
- 8 GB
- GPU class
- Mid GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
NVIDIA Cosmos
World-foundation models for physical AI.
Open Source 24–80 GB VRAM
- Min VRAM
- 24 GB
- GPU class
- Datacenter GPU
- Quant
- FP16
Actually FreeWatermark-FreeAPI
ComfyUI-AnimateDiff-Evolved
Animation motion modules for ComfyUI.
Open Source 10–16 GB VRAM
- Min VRAM
- 10 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Pyramid Flow
Memory-efficient T2V via pyramidal flow matching.
Open Source 16–24 GB VRAM
- Min VRAM
- 16 GB
- GPU class
- High-end GPU
- Quant
- BF16
Actually FreeNo SignupOpen SourceWatermark-Free
Stable Zero123
Novel-view synthesis — generate any angle from a single image.
Open Source 6–8 GB VRAM
- Min VRAM
- 6 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeOpen SourceWatermark-FreeHobbyist-Friendly
Stable Video Diffusion
Image-to-video diffusion — 25 frames, 14 or 25 steps.
Open Source 12–16 GB VRAM
- Min VRAM
- 12 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeOpen SourceWatermark-FreeHobbyist-Friendly