--- 格式版本: 2 标题: "Image generation | ChatGPT Learn" 原文链接: "https://developers.openai.com/codex/image-generation" 发布日期: "2026-08-16" 发布时间校准状态: "found" 发布时间需复核: "否" 发布时间来源: "rule:local:strict_original_body" 发布时间证据: "Published Time: Sun, 16 Aug 2026 07:29:43 GMT" 发布时间校准原因: "规则确认唯一严格发布时间，来源 local:strict_original_body" 发布时间校准置信度: "high" 发布时间候选数量: 4 发布时间严格候选数量: 1 发布时间原页读取状态: "source template page reused from URL open" 发布时间未找到原因: "" 发布时间校准时间: "2026-08-17T00:04:38+08:00" 发布时间仲裁状态: "skipped" 发布时间仲裁尝试次数: 0 发布时间仲裁耗时毫秒: 0 发现时间: "2026-08-16T23:54:06+08:00" 入库时间: "2026-08-16T16:04:38.988Z" 来源平台: "固定入口" 搜索渠道: "fixed_url" 搜索词: "https://developers.openai.com/blog" 匹配关键词: - "deployment" - "performance" - "latency" - "throughput" - "AI" 相关厂家: - "OpenAI" - "Microsoft" - "AWS" - "Google" - "Oracle" 相关专家: [] 内容类型: "网页" 抓取工具: "Jina Reader" 清洗工具: "Jina Reader Markdown + Defuddle/Readability 正文提取" 原始附件: [] AI优质: "否" AI打分: 0 AI分档: "非优质" AI质检状态: "不通过" AI打分理由: "固定入口页，仅含导航菜单，无任何超节点/AI Rack/机柜级AI基础设施相关内容，明显无关。" AI质检模型: "ali-deepseek-v4-flash" AI质检时间: "2026-08-17T00:04:44+08:00" AI主题相关性: 0 AI来源权威性: 0 AI新颖性: 0 AI技术细节: 0 AI商业部署信号: 0 AI完整性: 0 AI摘要: "该页面是 OpenAI 开发者文档中 ChatGPT/Codex 图像生成功能的导航入口，正文主要为 API、Codex、ChatGPT 等大量文档目录链接，并提示在页面 URL 后追加 .md 可获取对应 Markdown 版本。" AI摘要模型: "ali-deepseek-v4-flash" AI摘要时间: "2026-09-07T03:27:55.892Z" 采集批次: "2026年8月16日20点37分10秒" 采集批次ID: "20260816-203710-016" 去重键: "https://developers.openai.com/codex/image-generation" --- Title: Image generation | ChatGPT Learn URL Source: https://developers.openai.com/codex/image-generation Published Time: Sun, 16 Aug 2026 07:29:43 GMT Markdown Content: For the complete documentation index, see [llms.txt](https://developers.openai.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to the page URL. 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[Commands](https://developers.openai.com/codex/reference/commands) * [Slash commands](https://developers.openai.com/codex/reference/slash-commands) * [Settings](https://developers.openai.com/codex/reference/settings) * [Troubleshooting](https://developers.openai.com/codex/reference/troubleshooting) ![Image 2](https://developers.openai.com/images/codex/surface-icons/chatgpt-app.webp)ChatGPT desktop app Copy Page # Image generation Generate and edit images in ChatGPT ![Image 3](https://developers.openai.com/images/codex/surface-icons/chatgpt-app.webp)ChatGPT desktop app Copy Page Ask ChatGPT to generate or edit images. Use image generation for UI assets, banners, backgrounds, illustrations, sprite sheets, and placeholders you want to create alongside code or in a ChatGPT chat. Ask for an image from the app composer. Add a reference image when you want ChatGPT to transform an existing asset or use it as visual guidance. ### Review and edit generated images Select a generated image to open its expanded viewer. Switch between **Focused view** to inspect one image and **Canvas view** to see the images generated in the same chat. In **Canvas view**, use **Comment** to add precise feedback to one or more images. Select **Multi-select** to choose the images you want to include, then send your comments and any additional editing instructions in the same chat. Describe what should change and what should remain the same. Ask for an image in a ChatGPT web chat. Attach a reference image to the composer when you want ChatGPT to edit it or use it as visual guidance. Describe the image in an interactive session or include `$imagegen` to invoke the image generation skill explicitly. Attach an existing image with `-i` or `--image` when it should guide the result. Ask for an image from the extension chat. Drag a reference image into the composer while holding Shift when Codex should edit or build on an existing asset. ## Generate or edit an image Describe the image in natural language. Add a reference image when you want ChatGPT to transform or extend an existing asset. Include `$imagegen` in your prompt to invoke the image generation skill explicitly. Built-in image generation uses `gpt-image-2` and counts toward your general Codex usage limits. Image generations use included limits 3–5x faster on average than similar turns without image generation, depending on image quality and size. For larger batches, set `OPENAI_API_KEY` in your environment and ask ChatGPT to generate images through the API so API pricing applies. Image availability and usage limits in ChatGPT web depend on your plan and workspace settings. For programmatic image generation, use the [Image generation API](https://developers.openai.com/api/docs/guides/image-generation). ## Write effective image prompts A useful image prompt is often only one to three clear sentences. Describe the details that determine whether the result succeeds: * Explain the image’s purpose or intended audience. * Name the main subject and what is happening. * Describe the setting, composition, and visual style. * Add framing, dimensions, lighting, colors, or materials when they matter. * State constraints, including anything the image must not contain. Prefer concrete visual language over broad reactions. For example, describe where light comes from instead of asking for “beautiful lighting.” Repeat any requirement that must stay fixed. Example prompt Copy prompt Create a clean editorial illustration for an employee onboarding guide. Show a person organizing a project at a desk with a laptop, notebook, and simple progress checklist. Use soft daylight from a window on the left, restrained colors, and a modern, approachable style. Keep the background minimal. Do not include logos, text, or futuristic imagery. ## Refine the result Start with the core idea, then make small, targeted revisions. Adjust one element at a time so the composition and other important details do not drift. You can also select a specific area of an image and describe the change for that area. When editing an existing image, say exactly what should change and what must stay the same. Example prompt Copy prompt Edit the attached image. Replace only the mug with a small potted plant. Preserve the person, desk layout, lighting, colors, crop, and every other detail exactly. Do not add text or logos. For broader revisions, keep the feedback direct and actionable: make the image brighter, reduce the color saturation, simplify the background, or keep the composition while changing the style. ## Use multiple reference images Use a small set of reference images when one image defines the content and another defines the style, layout, or other visual direction. Identify each image by order and explain how the images relate. Use spatial terms such as foreground, background, left, and right when combining elements. Example prompt Copy prompt Image 1 is the product photo to edit. Image 2 is the style reference. Keep the product, camera angle, layout, and objects from image 1, but apply the clean line work, muted palette, and soft shadows from image 2. Keep the product centered and leave the upper-right corner clear for later copy. ## Add text to an image Keep in-image text short and specify it precisely. Put the exact text in quotation marks, preserve the capitalization you want, and describe its font style, size, color, and placement. For an uncommon name, spell out the letters when accuracy matters. State whether any other text is allowed. Example prompt Copy prompt Add only the title “SPRING WORKSHOP” in large, bold, white sans-serif letters, centered in the top third of the image. Keep the title on one line. Do not add any other text or change the underlying image. ## Create infographics and dense layouts Image generation can help draft explainers, posters, labeled diagrams, timelines, and other information-rich visuals. Describe the information hierarchy and layout, keep labels concise, and request sharp text rendering. For dense copy or production-critical typography, review every word and finish the asset in a design tool when needed. ## Additional considerations * **Use likenesses with care.** When depicting a real person, provide a reference photo when appropriate and confirm that you have permission to use their likeness. * **Ask for an original treatment.** Request a generic or original design instead of imitating a specific brand, product, artist, or artwork. * **Credit is optional.** You do not need to credit OpenAI for generated images, though you can explain how an asset was made when that context is useful. * **Follow applicable policies.** Use images in accordance with your organization’s guidelines and [OpenAI’s usage policies](https://openai.com/policies/usage-policies/). ## Related docs * [Codex pricing](https://developers.openai.com/codex/pricing#image-generation-usage-limits) * [Image inputs](https://developers.openai.com/codex/image-inputs) * [Image generation API guide](https://developers.openai.com/api/docs/guides/image-generation) * [Work with files](https://developers.openai.com/codex/artifacts-viewer) * [Creating images with ChatGPT](https://openai.com/academy/image-generation/) [Image generation gallery Explore more image generation prompts and results.](https://developers.openai.com/api/docs/guides/image-generation?gallery=open) * [Image inputs](https://developers.openai.com/codex/image-inputs) * [Image generation API guide](https://developers.openai.com/api/docs/guides/image-generation) * [Work with files](https://developers.openai.com/codex/artifacts-viewer) * [Creating images with ChatGPT](https://openai.com/academy/image-generation/) [Image generation gallery Explore more image generation prompts and results.](https://developers.openai.com/api/docs/guides/image-generation?gallery=open) * [Codex pricing](https://developers.openai.com/codex/pricing#image-generation-usage-limits) * [Image inputs](https://developers.openai.com/codex/image-inputs) * [Image generation API guide](https://developers.openai.com/api/docs/guides/image-generation) * [Work with files](https://developers.openai.com/codex/artifacts-viewer) [Image generation gallery Explore more image generation prompts and results.](https://developers.openai.com/api/docs/guides/image-generation?gallery=open) [Previous Web search](https://developers.openai.com/codex/web-search)[Next Image inputs](https://developers.openai.com/codex/image-inputs) Ask AI ## Docs agent Loading docs agent...