Bài học chính

• Với phần bằng chứng hiện có, mình **không thể kiểm chứng chính xác** “GPT Image 2” hỗ trợ những **kích thước ảnh nào** hoặc **ràng buộc ảnh đầu vào ra sao**. Bằng chứng được cung cấp không nêu rõ một model tên “GPT Image 2”, mà chỉ cho thấy các tài liệu về `chatgpt-image-latest`,
• ## Những gì có thể xác nhận

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Nguồn

• [1] GPT Image 2 Model | OpenAI APIdevelopers.openai.com
  • Overview. * Models. * Latest: GPT-5.4. * Using tools. * Overview. * Models and providers. * Running agents. * Evaluate agent workflows. *…
• [2] GPT Image Generation Models Prompting Guidedevelopers.openai.com

  Docs Guides, concepts, and product docs for CodexUse cases Example workflows and tasks teams hand to Codex. * Latest: GPT-5.4. * Text generation. * Images and vision. * Models and providers. * [Computer use](https://developers.openai.com/api/docs/guides/tools-computer-…

• [3] GPT Image 2 | Runware Docsrunware.ai

  GPT Image 2 is a general-purpose GPT Image family model for text-to-image generation and image editing. Jump to: API Options Inputs Generation Provider Settings. ### outputType string default: URL. : Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. : Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. // S3 presigned URL for secure upload// S3 presigned URL for secure uploadhttps://your-bucket.s3.amazonaws.com/generated/content.mp4? X-Goog-Signature=xyz789 // Custom storage endpoint// Cust…

• [4] ChatGPT Images 2.0: OpenAI's gpt-image-2 Model Explainedcoaleypeak.co.uk

  ChatGPT Images 2.0: OpenAI's gpt-image-2 Model Explained. OpenAI has announcedChatGPT Images 2.0, a new image generation system powered by the gpt-image-2 model. It replaces gpt-image-1.5 and the remaining DALL-E variants across ChatGPT, Codex, and the OpenAI API. Unlike the DALL-E series, which was a standalone diffusion model called out from ChatGPT via tool use, gpt-image-2 is a foundation model built to generate text and images in one unified system. Pricing varies by output quality and resolution rather than a flat per-image rate, which means cost modelling for production workloads req…

• [5] GPT Image 2 Guide: OpenAI's New Image Model (April 2026) - ToolPictoolpic.me

  GPT Image 2 Guide: OpenAI's New Image Model (April 2026). # GPT Image 2: Everything We Know About OpenAI's New Image Model (April 2026). . ## What Is GPT Image 2? ToolPic's image compressor handles this in your browser — drop the GPT Image 2 PNG in, set quality to 82-88%, and you get a visually identical file at 10-15% of the original size. [![Image 2: Best GPT Image 2 Prompts: 30+ Viral Examples From OpenAI's New Model (2026)](https://toolpic.me/blog/gp…

• [6] GPT Image 2.0 | Text to Image - Fal.aifal.ai

  🚀](https://fal.ai/models/openai/gpt-image-2/edit). Log-inSign-up. Log-inSign-up. Learn more about GPT Image 2. Schema. LLMs. Playground[API]…

• [7] Introducing gpt-image-2 - available today in the API and Codex - Announcements - OpenAI Developer Communitycommunity.openai.com

  Skip to last replySkip to top. Skip to main content. . # [Introducing gpt-image-2 - available tod…

• [8] OpenAI's ChatGPT Images 2.0 is here and it does multilingual text, full infographics, slides, maps, even manga — seemingly flawlessly | VentureBeatventurebeat.com

  It's been only a few months since OpenAI released its last big improvement to AI image generations in ChatGPT and through its application programming interface (API) — namely, a new image generation model known as GPT-Image-1.5, released in December 2025, which brought about improved instruction following, colors, and lighting. The move comes as the AI image model space has seen increasing competition, especially with the release of [Google's Nano Banana 2 image generation model](https://…

• [9] The new ChatGPT Images is here | OpenAIopenai.com

  Skip to main content. * Precise edits that preserve what matter. * A new creation space. * Improvements and limitations. * GPT Image 1.5 in the API. * [Availability](https://openai.com/index/new-chatg…

• [10] What Is GPT Image 2? Everything We Know About OpenAI's Next Image Modelmindstudio.ai

  Blog/What Is GPT Image 2? GPT & OpenAIImage GenerationAI Concepts. It’s a strong model, but GPT Image 2’s text rendering improvements appear to put it ahead specifically on that dimension — which is increasingly important for practical use cases. Once GPT Image 2 is available via API, you’ll be able to access it — along with every other major image generation model — through [MindStudio’s AI Media Workbench]…

• [11] chatgpt-image-latest Model | OpenAI APIdevelopers.openai.com
  • Overview. * Models. * Latest: GPT-5.4. * Using tools. * Overview. * Quickstart. * Models and providers. * Running agents. * [Orchest…
• [12] Computer use | OpenAI APIdevelopers.openai.com

  The model can return visual observations by calling: display(base64_png_string) """ """ from future import annotations from future import annotations import argparse import argparse import asyncio import asyncio import json import json import traceback import traceback from typing import Any from typing import Any from openai import OpenAI from openai import OpenAI from playwright.async_api import async_playwright from playwright.async_api import async_playwright Phase = str | None Phase = str | None def _message_text(item: Any) -> str: def _message_text(item: Any) -> str: try: try: p…

• [13] Create image | OpenAI API Referencedevelopers.openai.com

  This parameter is only supported for the GPT image models with the webp or jpeg output formats, and defaults to 100. Returned by default for the GPT image models, and only present if response_format is set to b64_json for dall-e-2 and dall-e-3. When using dall-e-2 or dall-e-3, the URL of the generated image if response_format is set to url (default value). The number of image output tokens generated by the model. {{ "created": 0, "created": 0, "background": "transparent", "background": "transparent", "data": [ "data": [ { { "b64_json": "b64_json", "b64_json": "b64_json", "…

• [14] Create image edit - OpenAI Developersdevelopers.openai.com

  Returned by default for the GPT image models, and only present if response_format is set to b64_json for dall-e-2 and dall-e-3. The number of image output tokens generated by the model. {{ "created": 0, "created": 0, "background": "transparent", "background": "transparent", "data": [ "data": [ { { "b64_json": "b64_json", "b64_json": "b64_json", "revised_prompt": "revised_prompt", "revised_prompt": "revised_prompt", "url": "url" "url": "url" } } ], ], "output_format": "png", "output_format": "png", "quality": "low", "quality": "low", "size": "1024x1024", "size": "1024x1024", "usage": {…

• [15] Create image edit | OpenAI API Referencedevelopers.openai.com

  Skip to content. * Edit. * Generate an Image. * Edit an Image. * Create Variation. * [Retrieve a model](https://developers.openai.com/api/reference/python/re…

• [16] GPT Image 1 Model | OpenAI APIdevelopers.openai.com
  • Overview. * Models. * Latest: GPT-5.4. * Using tools. * Overview. * Quickstart. * Models and providers. * Running agents. * [Evaluat…
• [17] Image generation | OpenAI APIdevelopers.openai.com
  • Text generation. * Code generation. * Images and vision. * Using tools. * Overview. * Models and providers. * Skills. * [Computer use](https://developers.openai.com/api/docs/guide…
• [18] Images | OpenAI API Referencedevelopers.openai.com

  Images. For the GPT image models only, the token usage information for the image generation. For the GPT image models only, the token usage information for the image generation. The background setting for the generated image. The output format for the generated image. The quality setting for the generated image. The size of the generated image. type: Literal["image_generation.completed"]. For the GPT image models only, the token usage information for the image generation. type: Literal["image_generation.partial_image"]. type: Literal["image_generation.partial_image"]. The background se…

• [19] Images and vision | OpenAI APIdevelopers.openai.com
  • Images and vision. * Image generation. * Image generation. * Images and vision. * Image generation. * Image generation. | [Chat Completions API](https://developers.openai.com/api/docs/api-referen…
• [20] Pricing | OpenAI APIdevelopers.openai.com
  • Models. * Latest: GPT-5.4. * Text generation. * Using tools. * Overview. * Models and providers. * Running agents. * [Overview](https://developers.openai.com/api/docs/guides/agent-builder…
• [21] Generate images with GPT Image - OpenAI Developersdevelopers.openai.com

  You can also provide a mask if you don’t want the model to change a specific part of the input image. ## Edit an image with a mask. Please note that the model might still edit some parts of the image inside the mask, but it will avoid it. If you need to have an exact mask, feel free to use an image segmentation model. image_base64 = result_mask.data^[0].b64_json. image.save(img_path_mask, format="PNG")`. This step is optional, if you want to turn a black & white image into a mask with an alpha channel that can be used in the Image Edit API. When using a mask, we still need the prompt the model…