gpt-image-2-comfyui

GPT-Image-2 ComfyUI Nodes

ComfyUI custom nodes for GPT-Image-2 — OpenAI's latest image generation model. Generate and edit stunning AI images directly inside ComfyUI using the muapi.ai API. If you wish to check the API documentation check this GPT-Image-2 API.

---

What is GPT-Image-2?

GPT-Image-2 is OpenAI's latest image generation model with native image editing support. It supports:

• Text-to-Image — generate high-quality images from a text description
• Image-to-Image — edit or transform up to 9 reference images guided by a prompt

---

Nodes

| Node | Description | |------|-------------| | 🔑 GPT-Image-2 API Key | Set your key once — wire to all nodes | | 🖼️ GPT-Image-2 Text to Image | Generate an image from a text prompt | | 🖼️ GPT-Image-2 Image to Image | Edit or transform up to 9 reference images |

---

Installation

Via ComfyUI Manager (recommended)

1. Open ComfyUI Manager → Install via Git URL
2. Paste: https://github.com/Anil-matcha/gpt-image-2-comfyui
3. Restart ComfyUI

Manual

cd ComfyUI/custom_nodes
git clone https://github.com/Anil-matcha/gpt-image-2-comfyui
pip install -r gpt-image-2-comfyui/requirements.txt

---

Quick Start

1. Sign up at muapi.ai and go to Dashboard → API Keys → Create Key
2. Right-click the ComfyUI canvas → Add Node → 🖼️ GPT-Image-2
3. Add a 🔑 GPT-Image-2 API Key node, paste your key, and wire its output to any generation node
4. Write a prompt and hit Queue Prompt

Tip: If you use the MuAPI CLI, run muapi auth configure --api-key YOUR_KEY once and all nodes will pick it up automatically — no need to paste the key anywhere.

---

Node Reference

🔑 GPT-Image-2 API Key

Set your muapi.ai API key once and wire the output to all generation nodes. Alternatively, leave every api_key field blank — nodes automatically read from ~/.muapi/config.json if you've authenticated via the CLI.

| Field | Description | |-------|-------------| | api_key | Your muapi.ai API key |

Output: api_key string (wire to generation nodes)

---

🖼️ GPT-Image-2 Text to Image

Generate a high-quality image from a text prompt.

| Field | Description | |-------|-------------| | prompt | Describe the image you want to generate | | api_key | (optional) API key — wire from the API Key node or leave blank |

Outputs:

| Output | Type | Description | |--------|------|-------------| | image | IMAGE | Generated image as a ComfyUI tensor | | image_url | STRING | CDN URL of the generated image | | request_id | STRING | Generation request ID |

Example prompt:

A photorealistic image of a red fox sitting in a snowy forest at dusk.

---

🖼️ GPT-Image-2 Image to Image

Edit or transform up to 9 reference images guided by a text prompt.

| Field | Description | |-------|-------------| | prompt | Describe the desired transformation or style | | image_1 … image_9 | (optional) Reference images to edit | | api_key | (optional) API key — wire from the API Key node or leave blank |

Outputs:

| Output | Type | Description | |--------|------|-------------| | image | IMAGE | Generated image as a ComfyUI tensor | | image_url | STRING | CDN URL of the generated image | | request_id | STRING | Generation request ID |

Example prompt:

Transform this product image into a premium e-commerce poster style.

---

API

All requests go through the muapi.ai API. Get your API key from the dashboard.

| Endpoint | Method | Description | |----------|--------|-------------| | /api/v1/gpt-image-2-text-to-image | POST | Submit a text-to-image request | | /api/v1/gpt-image-2-image-to-image | POST | Submit an image-to-image request | | /api/v1/predictions/{request_id}/result | GET | Poll for result |

---

License

MIT — see LICENSE.