This workflow is for use with Kijai's Wanwrapper nodes and the new Master Model Wan 14b checkpoint merge that allows for text to video in high quality in only 1.5 minutes on a 4090 before upscaling.

Master model download:

https://civarchive.com/models/1651125/wan2114bt2v-fusionx

GGUFs of the above are available here:

https://huggingface.co/lym00/Wan14BT2V_MoviiGen_AccVid_CausVid_MasterModel_GGUF

Kijai's Wan Wrapper nodes:

https://github.com/kijai/ComfyUI-WanVideoWrapper

The upscale model I'm using in the workflow:

https://openmodeldb.info/models/4x-NomosWebPhoto-RealPLKSR

1280x720p: On a 3090/4090, I'd change these settings for 720p: Wanvideo Empty Embeds changed to 1280x720. Wanvideo Block Swap node changed from 0 to 20. Wanvideo Sampler Node to 15 steps, cfg 1, shift 8, with euler/beta scheduler. You can probably get rid of the upscale node, but you should set the CRF quality setting on the video combine node from 30 to 19 so you don't compress out the increase in resolution.