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53 lines
2.6 KiB
Markdown
53 lines
2.6 KiB
Markdown
# Models
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## Checkpoint and Diffusers Models
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The model checkpoint files (`*.ckpt`) are the Stable Diffusion "secret sauce". They are the product of training the AI on millions of captioned images gathered from multiple sources.
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Originally there was only a single Stable Diffusion weights file, which many people named `model.ckpt`.
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Today, there are thousands of models, fine tuned to excel at specific styles, genres, or themes.
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!!! tip "Model Formats"
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We also have two more popular model formats, both created [HuggingFace](https://huggingface.co/):
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- `safetensors`: Single file, like `.ckpt` files. Prevents malware from lurking in a model.
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- `diffusers`: Splits the model components into separate files, allowing very fast loading.
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InvokeAI supports all three formats.
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## Starter Models
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When you first start InvokeAI, you'll see a popup prompting you to install some starter models from the Model Manager. Click the `Starter Models` tab to see the list.
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You'll find a collection of popular and high-quality models available for easy download.
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Some models carry license terms that limit their use in commercial applications or on public servers. It's your responsibility to adhere to the license terms.
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## Other Models
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There are a few ways to install other models:
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- **URL or Local Path**: Provide the path to a model on your computer, or a direct link to the model. Some sites require you to use an API token to download models, which you can [set up in the config file].
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- **HuggingFace**: Paste a HF Repo ID to install it. If there are multiple models in the repo, you'll get a list to choose from. Repo IDs look like this: `XpucT/Deliberate`. There is a copy button on each repo to copy the ID.
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- **Scan Folder**: Scan a local folder for models. You can install all of the detected models in one click.
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!!! tip "Autoimport"
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The dedicated autoimport folder is removed as of v4.0.0. You can do the same thing on the **Scan Folder** tab - paste the folder you'd like to import from and then click `Install All`.
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### Diffusers models in HF repo subfolders
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HuggingFace repos can be structured in any way. Some model authors include multiple models within the same folder.
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In this situation, you may need to provide some additional information to identify the model you want, by adding `:subfolder_name` to the repo ID.
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!!! example
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Say you have a repo ID `monster-labs/control_v1p_sd15_qrcode_monster`, and the model you want is inside the `v2` subfolder.
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Add `:v2` to the repo ID and use that when installing the model: `monster-labs/control_v1p_sd15_qrcode_monster:v2`
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[set up in the config file]: ../configuration.md#model-marketplace-api-keys
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