AI Image Generation Plugin

Introduction

A drawing plugin compatible with the OpenAI image generation API format. Supports any service compatible with the OpenAI image generation API.

Features

• ✅ Fully compatible with OpenAI image generation API format
• 🎨 Supports custom API endpoint and model name
• 📐 Supports multiple image aspect ratios
• 🔧 Flexible configuration options

Configuration Guide

API Configuration

• API Endpoint: Defaults to https://api.qhaigc.net, can be customized to any compatible OpenAI-style API endpoint
• API Key: Get your API key from https://api.qhaigc.net/console/token
• Model Name: You can set a custom model name, default is qh-draw-x1-pro

Image Size Options

The following image sizes are supported:

• Square 1:1 (1024x1024)
• Square 1:1 (1280x1280)
• Portrait 3:5 (768x1280)
• Landscape 5:3 (1280x768)
• Portrait 9:16 (720x1280)
• Landscape 16:9 (1280x720)
• Landscape 4:3 (1024x768)
• Portrait 3:4 (768x1024)

Usage

Use the !draw command to generate images:

# Generate an image
!draw a beautiful sunset landscape
!draw a cat sitting on a rainbow

Installation Steps

1. Install this plugin from the LangBot plugin management page
2. Obtain your API Key: https://api.qhaigc.net/console/token
3. Fill in the API Key in the plugin configuration
4. (Optional) Configure API endpoint, model name, and default image size

Supported Models

Nano Banana Series

• Nano Banana 1 (Released August 2025): An image generation model by Google DeepMind, based on Gemini 2.5 Flash architecture with 450M to 8B parameters. Core strengths are role consistency, multi-image fusion, and local editing. It leads the LMArena image editing leaderboard with a score of 1362 and is widely used in e-commerce, design, education, and more.

• Nano Banana 2 (Released November 2025): A comprehensive upgrade of the first generation, supporting native 2K resolution, with optional 4K super-resolution. Generation speed is improved by 300%, enabling complex scenes in just 10 seconds. Major breakthroughs in Chinese text rendering and mathematical formula derivation. It understands physical logic and world knowledge, using a "cognition + generation" hybrid architecture that revolutionizes productivity for creative industries.

Qihang AI Drawing Series

• qh-draw-3d: Focuses on generating popular 3D style images, characterized by delicate 3D models and strong 3D visual effects.
• qh-draw-4d: Focuses on generating popular 4D style images, with sophisticated 4D models and visuals close to reality but not actual photos.
• qh-draw-x1-pro: Qihang AI Drawing x1-pro model, based on open-source SD models with natural language understanding.
• qh-draw-x2-preview: Self-developed professional drawing model V2.0. Based on x1-pro, it enhances language understanding and comprehensive drawing abilities, making it suitable for more tasks.
• qh-draw:Korean-comic-style: Specializes in generating classic 2D Korean comic style images, featuring bright colors, smooth lines, and precise scene mood for Korean comics.

Available Model List

nano-banana-1, nano-banana-2, qh-draw-3d, qh-draw-4d, qh-draw-x1-pro, qh-draw-x2-preview, qh-draw:Korean-comic-style

Compatibility

This plugin is compatible with any service that follows the OpenAI image generation API specification, including but not limited to:

• OpenAI DALL-E 3
• Other image generation services compatible with the OpenAI format

License

MIT License