GPT-IMG vs Stable Diffusion：怎么选？

GPT-IMG 是一款在线 AI 图片生成器，是 ChatGPT 图片生成的独立替代方案。可通过文字提示词生成图片（产品图、人像、广告、缩略图、概念艺术、社交媒体图片），也可上传最多 5 张参考图并描述修改需求。同一提示词可在 GPT Image 2.5、GPT Image 2、Nano Banana 2.1、Nano Banana Pro、Seedream 5.0 Pro、FLUX 2 Pro 等多个模型上运行。支持七种画面比例、1K/2K/4K 分辨率，生成前显示所需积分，生成失败自动退还积分。

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