ComfyUI Extension: ComfyUI-Simple-Prompt-Batcher

Authored by ai-joe-git

Created

Updated

44 stars

Run ComfyUI workflows without the setup

No installs, no CUDA version roulette, no GPU sitting idle on your bill. Bring a workflow and run it in the browser.

A simple and efficient ComfyUI custom node that allows batch processing of multiple prompts in a single queue with automatic model loading optimization.

Looking for a different extension?

Custom Nodes (0)

    README

    ComfyUI Simple Prompt Batcher

    A simple and efficient ComfyUI custom node that allows you to batch process multiple prompts in a single queue. Perfect for testing variations, exploring different ideas, or running systematic prompt experiments.

    📋 Features

    • ✅ Simple text input - One prompt per line, no complex syntax
    • ✅ Automatic batching - All prompts run in a single queue
    • ✅ Optimized performance - Models stay loaded between inferences
    • ✅ Unlimited prompts - Add as many lines as you need
    • ✅ Clean console output - Shows prompt count and preview
    • ✅ No empty lines - Automatically filters blank entries

    🚀 Installation

    Method 1: ComfyUI Manager (Recommended)

    1. Open ComfyUI Manager
    2. Search for "Simple Prompt Batcher"
    3. Click Install
    4. Restart ComfyUI

    Method 2: Manual Installation

    1. Navigate to your ComfyUI custom nodes directory:

      cd ComfyUI/custom_nodes/

    2. Clone this repository:

      git clone https://github.com/ai-joe-git/ComfyUI-Simple-Prompt-Batcher.git

    3. Restart ComfyUI

    4. The node will appear as "📝 Simple Prompt Batcher" in the node menu under utils/text

    💡 Usage

    Basic Workflow

    1. Add the node to your workflow

      • Search for "Simple Prompt Batcher" or "📝 Simple Prompt Batcher"
      • Add it to your canvas

    2. Enter your prompts in the text area (one per line):

      a beautiful sunset over mountains
a cat sleeping on a couch
a futuristic city at night
a serene forest landscape

    3. Connect the output to CLIPTextEncode (or any text input node)

      [Simple Prompt Batcher] → [CLIPTextEncode] → [Your Workflow]

    4. Queue the prompt ONCE - ComfyUI will automatically run all prompts in sequence

    Example Workflow Structure

    📝 Simple Prompt Batcher
    ↓ (prompt output)
CLIPTextEncode (Positive)
    ↓
KSampler
    ↓
VAE Decode
    ↓
Save Image

    📊 Performance Benefits

    Without Batching

    • Load models (30s) → Generate (25s) → Unload
    • Repeat for each prompt
    • 8 prompts = ~7 minutes 20 seconds

    With Simple Prompt Batcher

    • Load models once (30s) → Generate all 8 (8 × 25s)
    • Models stay loaded between generations
    • 8 prompts = ~3 minutes 50 seconds

    Result: ~50% time savings on batch processing! 🎯

    🎨 Use Cases

    Camera Angle Testing (Video Generation)

    Turn the camera to a close-up
Turn the camera to a wide-angle lens
Rotate the camera 45 degrees to the right
Turn the camera to an aerial view
Turn the camera to a low-angle view

    Style Variations (Image Generation)

    a red sports car in photorealistic style
a red sports car in anime style
a red sports car in watercolor painting style
a red sports car in cyberpunk style

    Scene Exploration

    a forest in spring with blooming flowers
a forest in summer with lush green leaves
a forest in autumn with golden foliage
a forest in winter with snow-covered trees

    Systematic Testing

    quality: high, lighting: soft, mood: peaceful
quality: high, lighting: dramatic, mood: intense
quality: high, lighting: natural, mood: casual
quality: high, lighting: studio, mood: professional

    📝 Console Output

    When you run the batcher, you'll see helpful output in your console:

    [Prompt Batcher] 📋 Batching 5 prompts:
[Prompt Batcher]   1. a beautiful sunset over mountains
[Prompt Batcher]   2. a cat sleeping on a couch
[Prompt Batcher]   3. a futuristic city at night
[Prompt Batcher]   4. a cyberpunk street scene
[Prompt Batcher]   5. a serene forest landscape

    ⚙️ Technical Details

    • Output Type: STRING (batch list)
    • Category: utils/text
    • Compatibility: Works with any node that accepts text input
    • Memory: Efficient - models remain loaded during batch processing
    • Format: One prompt per line, empty lines automatically filtered

    🔧 Requirements

    • ComfyUI (latest version recommended)
    • No additional dependencies required

    📖 Tips

    1. No empty lines needed - The node automatically filters them out
    2. Long prompts supported - No character limit per line
    3. Preview in console - First 60 characters of each prompt shown
    4. Compatible with all samplers - Works with any generation workflow
    5. Combine with other nodes - Use with wildcards, style mixers, etc.

    🤝 Contributing

    Contributions are welcome! Feel free to:

    • Report bugs
    • Suggest new features
    • Submit pull requests
    • Share your use cases

    📄 License

    MIT License - Feel free to use in your projects!

    🙏 Credits

    Created for the ComfyUI community to make batch prompt processing simple and efficient.

    🔗 Links

    Made with ❤️ for the ComfyUI community

    If you find this node useful, please star the repository! ⭐

    Run ComfyUI workflows without the setup

    No installs, no CUDA version roulette, no GPU sitting idle on your bill. Bring a workflow and run it in the browser.

    Learn more