【WAN2.1】TXT to VIDEO — v1.5

【WAN2.1】TXT to VIDEO — v1.5 is a ComfyUI workflow for turning text prompts into Wan Video content; it can generate text-to-video and text-to-image results, optionally upscale them, and save images with generation parameters. Its meaningful inputs are a text prompt and the listed

The workflow includes nodes for text encoding, model loading, sampling, VAE decoding, video-frame combining, interpolation, upscaling, and saving.

Version v1.5 changes the execution order of interpolation and upscaling.

The named model files are 4x_foolhardy_Remacri.pth, rife47.pth, umt5_xxl_fp8_e4m3fn_scaled.safetensors, wan_2.1_vae.safetensors, and wan2.1-t2v-14b-Q3_K_S.gguf.

Saved images can include all generation parameters for online publishing and remixing.

Enable ComfyUI’s Nodes 2.0 (Vue) interface by turning on "Use Nodes V2 (Vue)," refreshing ComfyUI, and then loading the workflow.

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Install ComfyUI-UmeAiRT-Toolkit through ComfyUI Manager by searching "UmeAiRT," or use the UmeAiRT Auto-Installer.

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Named node packs are: comfyui-custom-scripts; comfyui-easy-use; comfyui-frame-interpolation; comfyui-gguf; comfyui-impact-pack; comfyui-kjnodes; comfyui-mxtoolkit; comfyui-videohelpersuite.

Manual setup lists a T2V model in fp16 or fp8, or a T2V Quant Model in Q8, Q5, or Q3, in models/diffusion_models; umt5_xxl_fp8_e4m3fn_scaled.safetensors in models/clip; wan_2.1_vae.safetensors in models/vae; lightx2v_T2V_14B_cfg_step_distill_v2_lora_rank64_bf16.safetensors in

Toggle the built-in SeedVR2 tiled upscaler on or off.

Use three LoRA slots with individual on/off controls and strength settings; additional LoRA modules can be connected.

The classic ComfyUI interface may have display problems; enable "Use Nodes V2 (Vue)" and refresh before loading the workflow.

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Before use, verify that the page shows "【WAN2.1】TXT to VIDEO — v1.5" from UmeAiRT and that the named model files and node packs are available in your ComfyUI setup; no license is specified.

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