ChatGPT Images 2.5 is OpenAI's latest image-generation model for creating and editing images in ChatGPT, allowing users to describe an idea in plain English, upload an image for editing, or use a sketch as a reference. It can help with social media content, product images, presentations, marketing graphics, and creative projects. Users can ask ChatGPT to create an image, such as a photo of a coffee shop with warm lighting and a modern interior, or upload an existing image and request changes like removing the background, changing the lighting, or placing a product in a different setting. OpenAI says Images 2.5 improves image quality, editing, reference-image handling, and generation speed, and according to OpenAI, image generation can be up to 50% faster than the previous Images 2.0 model. The process involves providing a prompt with details such as subject, setting, colors, lighting, camera angle, style, background, text, and image size; ChatGPT interprets the instructions and works out how the details should come together; then it creates or edits the image, including working with an uploaded image.