ImgsGen / CREATIVE NOTES

1K vs 2K vs 4K AI Images: Resolution and Quality

Resolution and generation quality are separate choices. Use actual pixel dimensions when preparing an image for a layout or display.

By ImgsGen · Updated

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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