--- license: mit tags: - tutorial - crazyrouter - dall-e - flux - image-generation - ai-art - stable-diffusion - midjourney - llm language: - en - zh --- # 🎨 Crazyrouter AI 图像生成指南 > 通过 Crazyrouter API 调用 DALL-E 3、Flux 等图像生成模型 [Crazyrouter](https://crazyrouter.com/?utm_source=huggingface&utm_medium=tutorial&utm_campaign=dev_community) 不仅支持文本模型,还支持图像生成模型。一个 API Key 即可调用多种 AI 绘画模型。 --- ## 支持的图像模型 | 模型 | 提供商 | 特点 | |------|--------|------| | `dall-e-3` | OpenAI | 高质量、理解复杂提示词 | | `dall-e-2` | OpenAI | 快速、便宜 | | `flux-schnell` | Black Forest Labs | 开源、速度快 | | `flux-dev` | Black Forest Labs | 高质量开源模型 | --- ## 快速开始 ### Python ```python from openai import OpenAI client = OpenAI( base_url="https://crazyrouter.com/v1", api_key="sk-your-crazyrouter-key" ) response = client.images.generate( model="dall-e-3", prompt="A cute robot serving coffee in a futuristic cafe, digital art style", size="1024x1024", quality="standard", n=1, ) image_url = response.data[0].url print(f"Image URL: {image_url}") ``` ### cURL ```bash curl https://crazyrouter.com/v1/images/generations \ -H "Content-Type: application/json" \ -H "Authorization: Bearer sk-your-crazyrouter-key" \ -d '{ "model": "dall-e-3", "prompt": "A serene Japanese garden with cherry blossoms, watercolor painting", "size": "1024x1024", "n": 1 }' ``` ### Node.js ```javascript import OpenAI from "openai"; const client = new OpenAI({ baseURL: "https://crazyrouter.com/v1", apiKey: "sk-your-crazyrouter-key", }); const response = await client.images.generate({ model: "dall-e-3", prompt: "A cyberpunk cityscape at night with neon lights, 4K detailed", size: "1024x1024", n: 1, }); console.log(response.data[0].url); ``` --- ## DALL-E 3 详细用法 ### 尺寸选项 | 尺寸 | 用途 | |------|------| | `1024x1024` | 正方形(默认) | | `1024x1792` | 竖版(手机壁纸、海报) | | `1792x1024` | 横版(桌面壁纸、Banner) | ### 质量选项 | 质量 | 说明 | |------|------| | `standard` | 标准质量(默认,更快) | | `hd` | 高清质量(更细腻,更慢) | ### 风格选项 | 风格 | 说明 | |------|------| | `vivid` | 鲜艳风格(默认) | | `natural` | 自然风格 | ### 完整示例 ```python response = client.images.generate( model="dall-e-3", prompt="A majestic dragon flying over a medieval castle at sunset", size="1792x1024", # 横版 quality="hd", # 高清 style="vivid", # 鲜艳 n=1, ) ``` --- ## 批量生成 ```python prompts = [ "A minimalist logo for a tech startup, blue and white", "A cozy reading nook with warm lighting, illustration style", "An astronaut playing guitar on the moon, digital art", "A steampunk mechanical butterfly, detailed 3D render", ] for i, prompt in enumerate(prompts): response = client.images.generate( model="dall-e-3", prompt=prompt, size="1024x1024", n=1, ) print(f"Image {i+1}: {response.data[0].url}") ``` --- ## 下载图片 ```python import requests response = client.images.generate( model="dall-e-3", prompt="A beautiful sunset over the ocean", size="1024x1024", n=1, ) image_url = response.data[0].url # 下载保存 img_data = requests.get(image_url).content with open("sunset.png", "wb") as f: f.write(img_data) print("Image saved as sunset.png") ``` --- ## 在客户端中使用 ### Cherry Studio Cherry Studio 内置 AI 绘画功能,配置 Crazyrouter 后可以直接在客户端中生成图片。 ### ChatBox ChatBox 支持图片生成,在对话中输入绘画提示词即可。 ### NextChat / LobeChat 这些客户端支持 DALL-E 插件,配置 Crazyrouter API 后可以在对话中生成图片。 --- ## 提示词技巧 ### 基础结构 ``` [主体] + [风格] + [细节] + [氛围] ``` ### 示例 | 提示词 | 效果 | |--------|------| | `A cat wearing a space suit, digital art, highly detailed` | 太空猫,数字艺术风格 | | `Minimalist mountain landscape, Japanese ink wash painting` | 极简山水,水墨画风格 | | `Product photo of a sleek smartphone, studio lighting, white background` | 产品摄影风格 | | `Isometric view of a tiny coffee shop, pixel art, warm colors` | 等距像素风咖啡店 | ### 风格关键词 - **写实**: `photorealistic, 8K, detailed, professional photography` - **插画**: `illustration, digital art, concept art, artstation` - **水彩**: `watercolor painting, soft colors, artistic` - **像素**: `pixel art, retro, 16-bit, game style` - **3D**: `3D render, octane render, blender, cinema 4D` - **动漫**: `anime style, manga, studio ghibli` - **极简**: `minimalist, clean, simple, flat design` --- ## 与文本模型结合 让 AI 先生成提示词,再用来绘画: ```python # Step 1: 用文本模型生成优化的提示词 chat_response = client.chat.completions.create( model="gpt-4o-mini", messages=[{ "role": "user", "content": "Generate a detailed DALL-E prompt for: a cozy winter cabin. Include style, lighting, and mood details. Output only the prompt." }] ) optimized_prompt = chat_response.choices[0].message.content # Step 2: 用优化后的提示词生成图片 image_response = client.images.generate( model="dall-e-3", prompt=optimized_prompt, size="1792x1024", quality="hd", n=1, ) print(f"Prompt: {optimized_prompt}") print(f"Image: {image_response.data[0].url}") ``` --- ## ComfyUI 集成 如果你使用 ComfyUI 进行更高级的图像生成工作流,可以通过 Crazyrouter API 获取文本提示词优化: ```python # 用 Crazyrouter 的文本模型优化 ComfyUI 的提示词 response = client.chat.completions.create( model="gpt-4o-mini", messages=[{ "role": "system", "content": "You are a Stable Diffusion prompt expert. Convert user descriptions into optimized SD prompts with positive and negative prompts." }, { "role": "user", "content": "A beautiful girl in a flower garden" }] ) print(response.choices[0].message.content) # Output: positive prompt + negative prompt for ComfyUI/SD ``` --- ## 价格参考 | 模型 | 尺寸 | 质量 | 价格/张 | |------|------|------|---------| | DALL-E 3 | 1024x1024 | standard | ~$0.04 | | DALL-E 3 | 1024x1024 | hd | ~$0.08 | | DALL-E 3 | 1792x1024 | standard | ~$0.08 | | DALL-E 3 | 1792x1024 | hd | ~$0.12 | | DALL-E 2 | 1024x1024 | - | ~$0.02 | *通过 Crazyrouter 调用,价格可能更优惠。* --- ## 链接 - 🌐 [Crazyrouter](https://crazyrouter.com/?utm_source=huggingface&utm_medium=tutorial&utm_campaign=dev_community) — 获取 API Key - 🤖 [在线 Demo](https://huggingface.co/spaces/xujfcn/Crazyrouter-Demo) - 📖 [快速入门](https://huggingface.co/xujfcn/Crazyrouter-Getting-Started) - 💻 [编程工具配置](https://huggingface.co/xujfcn/Crazyrouter-AI-Coding-Tools) - 💬 [Telegram 社区](https://t.me/crazyrouter) - 🐦 [Twitter @metaviiii](https://twitter.com/metaviiii)