At a glance
Resolution describes pixel dimensions. Quality describes how a supported model processes the image request. Selecting fine quality does not automatically enlarge an image, and a 4K target does not guarantee identical output dimensions across models.
Start with your intended use
A concept study may not need the same pixel dimensions as a large cover image. Check the dimensions your layout requires, then choose a supported resolution and aspect ratio. Do not assume that a file marked high quality has more pixels.
Read the output dimensions
The studio offers 1K, 2K and 4K target tiers where supported. Models may adjust the dimensions for a non-square composition. The image details show the actual width and height; check the downloaded PNG before putting it into a final design.
Choose quality separately
GPT Image offers draft, standard and fine quality settings. These affect the generation process rather than simply resizing a finished image. More processing does not guarantee that every composition will look better. Gemini and Grok currently choose quality automatically.
Develop the idea before requesting a larger image
Start at 1K to refine the subject, lighting and composition. Once those choices work, select a higher supported resolution if needed. A new generation may change the picture. Use a supported reference-image model when continuity matters.
Understand model-specific controls
GPT Image supports custom dimensions and quality selection. Gemini offers target resolution and aspect-ratio choices. Grok currently uses automatic dimensions; Lite also chooses the aspect ratio. The available controls change with the selected model.
Bring the idea to your canvas.
Choose a supported model and composition. The studio uses an ImgsGen account and subscription credits.
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