Flux Kontext Creator for ComfyUI

By ShmuelRonenView on GitHub →

A powerful ComfyUI custom node for text-based image editing using Black Forest Labs' Flux Kontext API. Transform your images with simple text instructions while maintaining character consistency and quality.

How much VRAM does Flux Kontext Creator for ComfyUI require?

Direct Answer: The ComfyUI node Flux Kontext Creator for ComfyUI requires a minimum base VRAM of 12288MB and is optimized for GPUs with at least 24GB of VRAM. Low VRAM mode is not supported for this node.

Extreme (>8GB)
Base VRAM:
12288MB (12.0GB)
Recommended GPU:
24GB+ VRAM
Low VRAM Mode:
✗ Not supported
Estimation Confidence:
HIGH

Interactive VRAM Compatibility Estimator

Estimated Total VRAM: 3.00 GBTarget: 8 GB
✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

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Compatible Foundations

This node is verified to support or optimize workflows for the following foundation model families:

⚡ FLUX.1

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

ComfyUI Flux Prompt Saver
by markuryy12.0GB VRAM
ComfyUI ModelScope Kontext API Node
by Onionman6112.0GB VRAM
ComfyUI nodes to use AttentionMask
by leeguandong12.0GB VRAM
ComfyUI-APQNodes
by AIPOQUE12.0GB VRAM
ComfyUI-Angelo
by shootthesound12.0GB VRAM

Frequently Asked Questions

How much VRAM does Flux Kontext Creator for ComfyUI require?

Flux Kontext Creator for ComfyUI requires a minimum of 12288MB (12.0GB) of VRAM for base operation. For optimal performance, a GPU with at least 24GB of VRAM is recommended. Low VRAM mode is not supported for this node.

Can I run Flux Kontext Creator for ComfyUI on an RTX 3060, RTX 4070, or RTX 4090?

❌ RTX 3060 (12GB): Insufficient VRAM (needs 12.0GB minimum). ❌ RTX 4070 (12GB): Insufficient VRAM (needs 12.0GB minimum). ⚠️ RTX 4070 Ti (16GB): Can run, but may experience performance issues or require low VRAM mode. ✅ RTX 4090 (24GB): Yes, fully compatible with 9.6GB headroom

How do I install Flux Kontext Creator for ComfyUI in ComfyUI?

To install Flux Kontext Creator for ComfyUI: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/ShmuelRonen/FluxKontextCreator, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.