ComfyUI: Load a text-to-image workflow and download missing models

Demo summary
The user demonstrates how to load a default text-to-image template in ComfyUI and use the 'show missing models' feature to download required AI checkpoints.
Step-by-step
- Select the Text to Image option from the getting started section
- Click on Show missing models in the top right-hand corner
- Review the required model list provided by ComfyUI
- Click on Download all to install the necessary checkpoints
- Monitor the download progress at the top of the interface
- Zoom in on the workflow nodes once the download is complete
Watch out for
- The workflow cannot generate images until the specific required models are downloaded and installed
Tips
- Think of ComfyUI as the application framework, while the model is the engine that actually creates the image
All demos from “How to Use ComfyUI (Step-by-Step Tutorial)”
1:560:39Load a text-to-image workflow and download missing modelsCurrentThe user demonstrates how to load a default text-to-image template in ComfyUI and use the 'show missing models' feature to download required AI checkpoints.ComfyUI· AI Image Generator
2:501:21Generate an AI image from a text promptThe video shows the process of entering positive and negative prompts, configuring image dimensions, and clicking 'Run' to generate a chocolate chip cookie image in ComfyUI.ComfyUI· Text to Image
4:110:29Manage generated assets in ComfyUIThe presenter demonstrates how to access the assets panel using the 'A' shortcut to view, save, or delete previously generated images.ComfyUI· AI Image Generator
6:141:19Add an image upscaling node to a workflowThe user demonstrates extending a workflow by right-clicking to add an 'Upscale Image' node and connecting the node pins to upscale the output by 2X.ComfyUI· AI Image Upscaler- Watch “How to Use ComfyUI (Step-by-Step Tutorial)” →
AI Image Generator
8:418:40Building a ComfyUI workflow from scratchA step-by-step walkthrough of adding nodes (Checkpoint, CLIP Text Encode, KSampler, VAE Decode) and connecting them to build a custom image generation pipeline.AI Search
19:571:09Generating a medieval warrior with batch processingDemonstrates generating multiple images of a medieval warrior by increasing the batch size in the Empty Latent Image node.AI Search
25:330:32Importing workflows from image metadataShows how to drag an existing AI-generated image into the ComfyUI canvas to automatically reconstruct the entire node workflow used to create it.AI Search
58:094:05Controlling character poses with ControlNetDemonstrates using the OpenPose pre-processor and ControlNet Union model to force a generated princess character into a specific pose from a reference image.AI Search
1:360:57Install custom workflows and missing nodes in ComfyUIThe video demonstrates how to drag and drop a JSON workflow file into ComfyUI and use the Manager to identify and install missing custom nodes.Sebastian Kamph
3:020:20Search and install models via Model ManagerA walkthrough of using the ComfyUI Model Manager to search for specific AI models, such as ControlNet, and install them directly.Sebastian Kamph
3:281:10Running and managing image generation queuesDemonstration of starting a workflow using the 'Run' button, setting up 'Run Instant' for continuous generation, and using 'Run on Change' to trigger generation upon prompt edits.Sebastian Kamph
4:590:55Navigating the ComfyUI workspace and UI settingsShows how to use zoom, fit view, pan modes, and toggle link visibility or themes (light/dark mode) within the ComfyUI interface.Sebastian Kamph
11:311:49Adding and connecting nodes in ComfyUIThe video demonstrates adding a 'Load Image' node via the library or right-click menu and connecting it to other nodes like 'Save Image' using spaghetti links.Sebastian Kamph
19:431:34Converting widgets to inputs in ComfyUIShows how to convert a node's internal settings (like seed) into an external input pin and connect a 'Primitive' node to control it.Sebastian Kamph
25:032:06Managing seeds and randomizationShows the difference between 'Randomize' and 'Fixed' seed settings in the KSampler to either generate new variations or reproduce the same image.Sebastian Kamph
36:450:34Saving images to specific foldersShows how to use the 'Save Image' node and file path syntax to organize output images into custom subfolders.Sebastian Kamph
ComfyUI