ComfyUI_Nano_Banana
A set of custom nodes for ComfyUI that leverage the Gemini 2.5 Flash Image Preview API to generate images from text prompts, single images, and multiple images.
How much VRAM does ComfyUI_Nano_Banana require?
Direct Answer: The ComfyUI node ComfyUI_Nano_Banana requires a minimum base VRAM of 256MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.
- Base VRAM:
- 256MB (0.3GB)
- Recommended GPU:
- 4GB+ VRAM
- Low VRAM Mode:
- ✓ Supported
- Estimation Confidence:
- HIGH
Interactive VRAM Compatibility Estimator
Your GPU has plenty of headroom. You can run this node safely with your active configurations!
Deploy on High-Performance GPUs
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Deploy on Cloud GPUs
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What Python packages are required for ComfyUI_Nano_Banana?
Direct Answer: Running ComfyUI_Nano_Banana requires installing the following Python package dependencies: google, google-cloud-aiplatform, google-genai, python-dotenv. Ensure your ComfyUI environment has these packages active before launching.
google
google-cloud-aiplatform
google-genai
python-dotenvInteractive Setup & Dependency Resolver
# Loading command...Frequently Asked Questions
How much VRAM does ComfyUI_Nano_Banana require?
ComfyUI_Nano_Banana requires a minimum of 256MB (0.3GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.
Can I run ComfyUI_Nano_Banana on an RTX 3060, RTX 4070, or RTX 4090?
✅ RTX 3060 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.2GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.4GB headroom
What Python packages are required for ComfyUI_Nano_Banana?
To run ComfyUI_Nano_Banana, you need to install: google, google-cloud-aiplatform, google-genai, python-dotenv. You can install these using pip or add them to your requirements.txt file.
How can I reduce VRAM usage when running ComfyUI_Nano_Banana?
ComfyUI_Nano_Banana supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.
How do I install ComfyUI_Nano_Banana in ComfyUI?
To install ComfyUI_Nano_Banana: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/ru4ls/ComfyUI_Nano_Banana, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.