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Fixing things

VRAM ceilings, faces and hands, upscaling, merges, and comparing models honestly.

21 articles

Fix Automatic1111 Git Pull Break: Venv Reset and Rollback

Fix A1111 after a broken git pull by deleting venv — the official upstream path. Covers Forge repair, xformers speed gains, and what s…

CFG Scale in Stable Diffusion

How CFG scale controls prompt adherence in Stable Diffusion, optimal ranges per model family, and why distilled models use CFG 1.

FLUX.1 FP16 vs FP8: Speed, Quality, and VRAM Trade-offs

Compare FLUX.1 Dev and Schnell in FP16 vs FP8 precision. Which mode fits 12GB vs 24GB GPUs, and where does image quality actually dive…

FLUX Licensing in Plain Terms: A Practical Guide

What FLUX.1-schnell, dev, and pro each permit commercially — how LoRAs inherit restrictions and where the ambiguity remains.

Running FLUX on 8GB: fp8, GGUF, and what works

FLUX.1 on 8GB VRAM with fp8/GGUF quantization, CPU offloading, and schnell's 4-step budget. Sources on paths, files, speeds.

FLUX Photorealism Guide: Avoiding the Plastic Look in 2025

FLUX photorealism with prompt structure, CFG settings, skin texture, and LoRAs

FLUX.2 Klein Face Swap: Workflow, Color Matching, Failures

How to swap faces with FLUX.2 Klein using LanPaint think mode and Lab color transfer — plus where the workflow breaks down.

Stable Diffusion Model Merging: SuperMerger vs Chattiori

Compare SuperMerger and Chattiori for Stable Diffusion merges. Block-weighted merging, add difference, and cosine similarity evaluatio…

Fast SDXL: Turbo, Lightning & Hybrid Checkpoints

SDXL Turbo and Lightning use 1–8 steps with CFG=0. Here is what each distillation method imposes and what you trade away.

SUPIR restoration guided sampling on 12GB GPUs

How SUPIR restoration-guided models rebuild degraded detail, with SeedVR2 video workflows

Cut VRAM Use on Windows: HAGS, Page File, Overhead

What actually frees VRAM for AI workloads on Windows — measured settings, documented mechanisms, and community estimates without indep…

Create an Inpainting Checkpoint from Any Model

Merge SD checkpoints into inpainting variants with Add Difference. Why inpaint weights differ and how to control seed and noise for re…

Fix AI Hands: Why They Fail and the Real ControlNet Workflow

Viral Civitai hand-fix embeddings don't exist. Real workflow: ControlNet OpenPose detection + targeted inpainting.

Leaving A1111 in 2026: Forge, SwarmUI, SD.Next Compared

Forge, SwarmUI, and SD.Next as A1111 replacements — what breaks, what survives, extension migration guide.

Inpainting & Outpainting: Masks, Denoise, Model Choice

When to use inpainting models vs base checkpoints, how masked content and inpaint area change results, and why edits fail to blend — w…

Photorealistic Upscaling: Frequency Separation & Workflows

A practical guide to two-stage upscaling, frequency separation for relighting, Ultra-HD prompts, and upscaler comparison.

Stable Diffusion Model Folders: A1111, Forge & ComfyUI

Where checkpoints, LoRAs, VAEs, embeddings, ControlNets and upscalers go across AUTOMATIC1111, SD.Next/Forge, and ComfyUI — and how to…

Latent vs Model Upscaling: Complete AI Image Guide

Compare latent upscaling, model upscalers, hires fix, and tiled workflows. Learn which method works best for photorealistic vs illustr…

Merge Stable Diffusion Checkpoints: Methods & Block Weights

Merge Stable Diffusion checkpoints: weighted sum vs add difference, SDXL block weights, merge vs LoRA, and how to evaluate the result.

Fix Faces and Hands with ADetailer and FaceDetailer

Compare ADetailer for A1111/Forge and FaceDetailer for ComfyUI — automatic inpainting that detects faces, hands, and persons.

ROCm for Stable Diffusion on AMD: Limits, Gaps, VRAM Cuts

ROCm setup guide for Stable Diffusion on AMD: supported GPUs, Windows gaps, and VRAM reduction techniques.

AI videoTraining LoRAsModels of 2026ComfyUIPrompting and control

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