ComfyUI-MultiLoRALoader

Multi LoRA Loader

A powerful multi-LoRA management node for ComfyUI with optional LTX2 layer-specific strength control, drag-and-drop reordering, and rgthree LoRA info integration.

Renamed from Power LTX LoRA Loader Extra. If you have existing workflows using the old node, see Migration below.

Workflow Diagram

Features

• Multi-LoRA Support: Load and apply multiple LoRAs simultaneously with individual strength controls
• Two Modes:
  • Standard mode: Single strength value per LoRA, applied uniformly via ComfyUI's built-in loader
  • LTX mode: Per-layer strength control for LTX2 video/audio models (enable via the LTX checkbox)
• Independent CLIP Strength: Enable the CLIP checkbox to add a per-LoRA CLIP strength column (right after STR), letting you scale CLIP separately from the model. When off, the STR value is used for both model and CLIP (previous behaviour)
• LTX Layer Controls (when LTX mode is enabled):
  • STR (Strength Model): Overall model strength
  • Vid (Video): Video attention layers
  • V2A (Video-to-Audio): Cross-modal attention (video to audio)
  • Aud (Audio): Audio-specific layers
  • A2V (Audio-to-Video): Cross-modal attention (audio to video)
  • Other: Remaining network components
• Intuitive UI: Drag-and-drop row reordering, toggle enable/disable, click-to-edit or drag-to-slide values
• Drag-and-Drop File Import: Drop LoRA files onto the node to quickly add them — matches by filename against your existing LoRA library
• Missing LoRA Detection: LoRAs that no longer exist on disk are shown with red strikethrough text on session load, so you can spot moved or deleted files at a glance
• rgthree LoRA Info Integration: Right-click any LoRA name to open the rgthree LoRA info dialog (requires rgthree-comfy). LoRAs with fetched info display a circled info badge next to their name (green for Civitai data, gray for local info). Fetching new info from Civitai in the dialog updates the badge immediately on close
• Optional Model/CLIP Input: Use as a standalone LoRA manager even without model or CLIP connected
• JSON Output: Export a rich JSON structure of all selected LoRAs for external processing
• Raw Config Editor: Click the cog button to copy/paste the entire LoRA configuration as JSON
• Sidecar Metadata Support: Automatically loads metadata from .json sidecar files alongside LoRA weights
• MultiLoRA Cycle (companion node): Automatically iterate through LoRAs at multiple strengths for batch testing — ideal for evaluating training checkpoints
• Parse JSON (companion node): Convert the lora_data JSON output into a Python object for use with scripting nodes like rgthree's Power Puter

Installation

1. Clone or download this repository into your ComfyUI custom_nodes directory:

   cd ComfyUI/custom_nodes
   git clone https://github.com/phazei/ComfyUI-MultiLoraLoader.git
   

2. Restart ComfyUI or reload the browser page.

3. The node will appear in the node menu under Loaders > Multi LoRA Loader. You can also search for "power lora loader", "lora stack", or "multi lora".

Usage

Basic Workflow

1. Add a Multi LoRA Loader node
2. Connect model and/or CLIP inputs (both optional)
3. Click + Add LoRA to add rows
4. Click the LoRA name field to open a menu of available LoRAs
5. Adjust strength values by:
   • Dragging left/right for fine control
   • Single clicking to type an exact value
6. Toggle the dot on/off to enable/disable individual LoRAs
7. Drag rows by the grip handle to reorder
8. Click the X to delete a row
9. Enable the LTX checkbox to show per-layer strength columns
10. Enable the CLIP checkbox to show a separate CLIP strength column

UI Elements

| Element | Action | Purpose | |---------|-----