David walks Ilan through a local ComfyUI workflow that chains three AI models to upscale generated images from 720p all the way to 4K, with a side mission of fixing that plastic-y AI skin look.

Chapters

00:00 - Intro and what we are upscaling today
00:36 - Workflow overview and chaining three models
01:30 - Installing the ComfyUI Manager
02:30 - The download note and where models go
03:00 - Walking through CivitAI to grab the first 22GB model
05:00 - Epic Realism and SeedVR2 from ByteDance
06:00 - LoRAs, CLIP, VAEs, and refreshing node paths
08:00 - Generating the test image and loading the upscale workflow
09:30 - Running the three-pass upscale and what each model does
10:30 - Before and after at 4500 by 2500
12:00 - Final image, runtime, and going to 8K

Hilarious Product Management Merch
https://devilwearsproduct.shop

Links
Workflow: https://pastebin.com/SUtVN2Hh

Password: Prompt and Circumstance Podcast

Diffusion Models (models/diffusion_models):

UltraFineTune: https://civitai.com/models/978314/ultrareal-fine-tune

ZEpicrealismturbo FP8: https://civitai.com/models/2305301/z-epicrealism

Checkpoints (models/checkpoints):

Epic Realism XL Crystal Clear: https://civitai.com/models/277058/epicrealism-xl?modelVersionId=1920523

Loras (models/loras)

Aidma Realistic Skin: https://civitai.com/models/1157318/photorealistic-skin-no-plastic-flux

SDXL Skin Realism: https://civitai.com/models/248951/skin-realism-acne-skin-details-imperfections-sdxl

CLIP

Clip_l: (models/clip) https://huggingface.co/comfyanonymous/flux_text_encoders/blob/main/clip_l.safetensors

Tt5xxl fp8: (models/text_encoders) https://huggingface.co/comfyanonymous/flux_text_encoders/blob/main/t5xxl_fp8_e4m3fn.safetensors

Text Encoders:

Qwen 3 4b: (models/text_encoders)

https://huggingface.co/Comfy-Org/z_image_turbo/blob/main/split_files/text_encoders/qwen_3_4b.safetensors

Variational Autoencoders (models/upscale_models)

Flux VAE (ae.safetensors): https://huggingface.co/lovis93/testllm/blob/ed9cf1af7465cebca4649157f118e331cf2a084f/ae.safetensors

Upscale Models (models/upscale_models)

4x Clear Reality: https://huggingface.co/skbhadra/ClearRealityV1/commit/bc01e27b38eec683dc6e3161dd56069c78e015ac

SeedVR2 Models (models/SEEDVR2)

Model: https://huggingface.co/numz/SeedVR2_comfyUI/blob/main/seedvr2_ema_3b_fp8_e4m3fn.safetensors

VAE: https://huggingface.co/numz/SeedVR2_comfyUI/blob/main/ema_vae_fp16.safetensors

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