Z-Image Turbo LoRA Training with AI Toolkit and Z-Image ControlNet Full Tutorial for Highest Quality
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Overview
Syllabus
0:00 Introduction to Z-Image Turbo Model
0:54 FP8 Scaled Version 5.7GB for Low VRAM
1:10 ControlNet Union with Z-Image Turbo
1:30 LoRA Training with Ostris AI Toolkit
2:00 Default vs Custom Training Preset Quality Comparison
3:00 RunPod Cloud Training Preview
3:40 MassedCompute Cloud Training Preview
4:16 Downloading Z-Image Models via SwarmUI
5:00 Z-Image Turbo Core Bundle & ControlNet Files
5:58 FP8 Scaled Model & Musubi Tuner Converter
7:13 Updating ComfyUI for Sage & Flash Attention
8:13 Updating SwarmUI & ControlNet Preprocessors
8:52 Updating & Importing Latest SwarmUI Presets
9:20 Generating with Quality 2 Fast Preset
10:48 Generating with Quality 1 Upscale Preset
11:35 Quality 1 vs Quality 2 Visual Comparison
12:13 Setting up ControlNet Input & Aspect Ratio
13:41 ControlNet Strength Settings & Canny Test
15:26 Using Depth Preprocessor with Z-Image
15:58 Coloring Lineart Drawings with ControlNet
16:58 Lineart Preprocessing Comparison
17:50 Ostris AI Toolkit Installation Prerequisites
19:12 Installing Ostris AI Toolkit on Windows
20:02 First Time UI Setup & Launching Interface
21:04 Loading Custom Training Configs
21:38 Creating a New Dataset Structure
22:24 Ultimate Batch Image Processing App Install
23:17 Dataset Prep Stage 1: Auto-Zooming with SAM2
26:08 Dataset Prep Stage 2: Resizing to Exact Resolution
28:12 How to Select Best Training Images
30:24 Importance of Emotions & Angles in Datasets
31:44 Z-Image Resolution & Aspect Ratio Rules
33:21 Configuring Training Parameters & Epochs
36:52 Resolution Impact on Training Speed
37:46 Starting the Training Job on Windows
38:39 Monitoring Training Progress & VRAM
39:43 Checkpoint Generation Settings
40:40 Resuming Training from Last Checkpoint
42:09 Training Speeds on RTX 5090 vs 4090 vs 3060
43:01 Training Quality: Default vs Custom Preset Comparison
44:21 Testing LoRAs with SwarmUI Grid Generator
46:04 Fixing ControlNet Error in Grid Generation
47:09 Comparing Generated LoRA Checkpoints
47:38 Using Trained LoRA with ControlNet Union
48:10 RunPod: GPU Selection & Template Setup
50:32 RunPod: Port 8675 Config & Initialization
51:36 RunPod: Uploading Installation Files
52:01 RunPod: One-Click Installation Command
54:07 RunPod: Starting AI Toolkit & Proxy Connection
54:38 RunPod: Uploading Dataset via Interface
55:32 RunPod: Starting the Training Job
56:24 RunPod: Speed & Cost Analysis
57:28 RunPod: Auto-Stop Command Setup
58:24 MassedCompute: GPU Selection & Coupon Code
1:00:16 MassedCompute: ThinLinc Client Setup
1:01:21 MassedCompute: Transferring Files to Shared Folder
1:02:55 MassedCompute: Installation Command
1:05:49 MassedCompute: Connecting via Public URL
1:06:54 MassedCompute: Starting Training Job
1:08:43 Downloading Checkpoints & Stopping Instance
Taught by
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