# ComfyUI Workflow Library + GPU Fit Checker
> Sourced VRAM estimates, model sizes, nodes and error fixes for popular ComfyUI workflows.
## API
- https://vramflows.com/api/fit?vram=12 : JSON list of workflows with fits=true/false for a VRAM size (GB)
## Workflows
- [SDXL Base + Refiner text-to-image](https://vramflows.com/workflows/sdxl-base-refiner): ~6.94GB VRAM (derived)
- [Flux.1 Dev text-to-image](https://vramflows.com/workflows/flux-dev-text-to-image): ~23.8GB VRAM (derived)
- [Flux.1 Schnell 4-step text-to-image](https://vramflows.com/workflows/flux-schnell-text-to-image): ~11.89GB VRAM (derived)
- [Flux Fill inpainting & outpainting](https://vramflows.com/workflows/flux-fill-inpainting): ~23.8GB VRAM (derived)
- [Flux Kontext image editing](https://vramflows.com/workflows/flux-kontext-image-edit): ~23.8GB VRAM (derived)
- [SD 1.5 inpainting](https://vramflows.com/workflows/sd15-inpainting): ~4.26GB VRAM (derived)
- [ESRGAN model upscaling](https://vramflows.com/workflows/esrgan-upscale): ~0.07GB VRAM (derived)
- [AnimateDiff-Evolved text-to-video](https://vramflows.com/workflows/animatediff-evolved): ~6.08GB VRAM (derived)
- [Wan 2.1 text-to-video (1.3B)](https://vramflows.com/workflows/wan21-t2v-1-3b): ~8.19GB VRAM (official)
- [Wan 2.1 image-to-video (14B)](https://vramflows.com/workflows/wan21-i2v-14b): ~16.4GB VRAM (derived)
- [HunyuanVideo text-to-video](https://vramflows.com/workflows/hunyuan-video-t2v): ~45GB VRAM (official)
- [LTX-Video text/image-to-video](https://vramflows.com/workflows/ltx-video-t2v): ~9.37GB VRAM (derived)