免费用 GPT-5.6、Claude 4.5、Gemini 4 等顶级大模型，还能白嫖 GPT-Image 2 生图——Duck.ai 这个来自 DuckDuckGo 的 AI 助手，可能是目前最良心的免费 AI 工具了。

它能干啥

模型阵容挺猛

重头戏：GPT-Image2免费生图

Create a realistic lifestyle portrait photograph of a young East Asian woman sitting at a cozy sunlit cafe table, smiling warmly at the camera while holding a beige ceramic coffee cup near her face. She has long natural black slightly wavy hair, clear skin, soft makeup, and a relaxed friendly expression. She wears a loose white camisole with thin straps, a lightweight beige linen cardigan draped off one shoulder, and high-waisted beige linen drawstring trousers. Frame her from mid-torso upward in a vertical 2:3 composition, seated slightly angled with one arm resting near her lap and the other hand lifting the cup. The setting is an elegant indoor-outdoor cafe or conservatory with large black-framed windows behind her, warm beige plaster walls, wooden shelving, a wooden chair, and lush green potted plants on both sides. Include exactly 3 clearly visible table/prop elements: a round white marble tabletop in the foreground, a small white saucer near the bottom center, and the beige ceramic cup in her hand. Use soft natural morning sunlight, dappled leaf shadows across her clothing and the table, shallow depth of field, creamy bokeh greenery outside the windows, realistic skin texture, gentle highlights, and a calm airy neutral color palette. Shoot like a high-end editorial lifestyle photo with an 85mm lens look, natural proportions, no text, no logo, no watermark, no exaggerated effects.

• 画质能打：光影自然，面部没有 AI 生图常见的"假脸感"

• 提示词还原准：场景、服装、85mm 镜头感这些要素都到位了

• 速度：二十几秒出图

上手 + 几个细节

小结