---
license: apache-2.0
tags:
- comfyui
- workflow
- wan-video
- gguf
- low-vram
- text-to-video
- image-to-video
base_model: Wan-AI/Wan2.1-T2V-14B
---

# Wan2.1 GGUF — 4GB VRAM ComfyUI Workflow

**By:** [The_frizzy1](https://civitai.com/user/The_frizzy1)
**Hardware target:** RTX 3050 Laptop (4 GB VRAM)
**CivitAI:** https://civitai.com/models/1309674/wan21gguf-only-4gb-vram-comfyui-workflow
**YouTube:** https://www.youtube.com/@the_frizzy1

---

## What This Is

A ComfyUI workflow pack for running Wan2.1 video generation on low-VRAM GPUs (as low as 4 GB).
Uses GGUF-quantised models and custom nodes from Kijai and others.

---

## Included Workflows

- **Wan2.1 T2V** — Text to Video
- **Wan2.1 I2V** — Image to Video
- **Wan2.1 VACE** — Video and Conditioning Extension
- **Wan2.1 First Frame / Last Frame**
- **Funcontrol** *(experimental)*
- **Funcameraimage** *(experimental)*

---

## Required Custom Nodes

| Node | Link |
|------|------|
| GGUF | https://github.com/calcuis/gguf |
| WanVideoWrapper | https://github.com/kijai/ComfyUI-WanVideoWrapper |
| Tiled KSampler | https://github.com/FlyingFireCo/tiled_ksampler |
| KJNodes | https://github.com/kijai/ComfyUI-KJNodes |
| Video Helper Suite | https://github.com/Kosinkadink/ComfyUI-VideoHelperSuite |
| rgthree-comfy *(LoRA stacking only)* | https://github.com/rgthree/rgthree-comfy |

---

## Model Downloads

| Model | Link | Notes |
|-------|------|-------|
| WAN GGUF | https://huggingface.co/calcuis/wan-gguf | Main source |
| I2V alternative | https://huggingface.co/city96/Wan2.1-I2V-14B-480P-gguf/tree/main | Better for I2V |
| 1.3B GGUF | https://huggingface.co/calcuis/wan-1.3b-gguf/tree/main | Fun/inpainting/T2V/VACE |
| Fun Control 14B | https://huggingface.co/city96/Wan2.1-Fun-14B-Control-gguf/tree/main | Fun-Control |
| Fun Camera 14B | https://huggingface.co/QuantStack/Wan2.1-Fun-V1.1-14B-Control-Camera-GGUF/tree/main | Camera-Control |
| VACE GGUF alt | https://huggingface.co/QuantStack/Wan2.1_14B_VACE-GGUF | VACE alternative |

**VAE / CLIP / Text Encoder:**
https://huggingface.co/Comfy-Org/Wan_2.1_ComfyUI_repackaged/tree/main/split_files

Place all `.gguf` files in `ComfyUI/models/diffusion_models/`

---

## Quantisation Guide

| Level | VRAM | Quality |
|-------|------|---------|
| Q5 | Medium | Best balance |
| Q3_K_M | Low | Good |
| Q2_K | Lowest | Usable |
| 14B | High | Best quality |

---

## Performance Tips

Enable **Xformers**, **Sage Attention**, or **Triton** for extra speed.
Triton install guide: https://www.patreon.com/posts/easy-guide-sage-124253103

---

## Helpful Links

- Common errors: https://civitai.com/articles/17240
- Prompting tips: https://www.reddit.com/r/StableDiffusion/comments/1j1r791/wan_21_comfyui_prompting_tips
- CFG and shift values: https://www.reddit.com/r/StableDiffusion/comments/1j2q0xw/dont_overlook_the_values_of_shift_and_cfg_on_wan

---

## Changelog

| Version | Notes |
|---------|-------|
| v2.0 | Teacache, Torch Compile, new GGUF loader |
| v1.8 | See install video |
| v1.1 | Better quality and stability |
| v1.0 | Initial release |