Can AI really keep a character consistent?

Reasonably, yes, if you anchor on a reference image and reuse a fixed description. Expect small drift between images rather than a perfect match every time.

What details should I lock in the prompt?

Specific, countable traits: hair length and color, eye color, and one signature clothing item. Reuse the exact same wording in every prompt.

How do I put the same character in a new scene?

Feed the reference image back in and change only the setting, telling the model to keep the face, hair, and outfit identical. Editing from the reference beats describing from scratch.

Does the model matter for consistency?

It helps. The free Nano Banana model works for drafts; the paid GPT Image model follows detailed character descriptions more tightly for final images.

How-to · 6 min read

How to Generate Consistent Characters With AI

Keeping one character looking the same across several images is one of the harder things to do with AI, and it is exactly what you need for a comic, a storybook, a brand mascot, or a series of social posts. To generate consistent characters with AI, you anchor on a reference image and reuse a tight description every time. ImageGen's image-to-image editing on the free Nano Banana model makes this practical, since you can feed a locked character image back in for each new scene.

There is no perfect one-click solution yet, but these methods get you a character that stays recognizably the same.

Lock a reference image first

Generate or upload one strong image of the character and treat it as the master. Everything else flows from it. A clear, front-facing shot with the full outfit visible works best as a reference because it gives the model the most to hold onto when you ask for new poses or scenes.

Write a fixed character description

Build a short block of defining traits and reuse it word for word in every prompt: "a young woman with shoulder-length curly red hair, green eyes, freckles, wearing a yellow raincoat". Specific, countable details (hair length, eye color, one signature clothing item) hold far better than vague ones. Vague descriptions like "a pretty woman" drift immediately.

Change the scene, not the character

When you want the same character in a new setting, feed the reference image back in and change only the surroundings: "same character, now standing in a rainy city street at night, keep her face, hair, and yellow raincoat exactly the same". Editing from the reference keeps you far closer to on-model than describing the character from scratch each time.

Handle expressions and angles

New angles are where consistency slips. Ask for one change at a time: a new expression while holding the angle, or a new angle while holding the expression. "Same character, three-quarter view, smiling, identical hair and outfit" is more reliable than requesting a wildly different pose and expression at once. Regenerate until the face reads as the same person, then lock that result as a new reference.

Accept and manage small drift

Even with careful prompting, expect minor variation between images. Manage it by keeping your best results as a growing set of references and always editing from the closest one. For final assets where the face must match precisely, the paid GPT Image model follows detailed character descriptions more tightly than the free model.

Try it now — free, no sign-up

Open ImageGen

Frequently asked questions

Can AI really keep a character consistent?: Reasonably, yes, if you anchor on a reference image and reuse a fixed description. Expect small drift between images rather than a perfect match every time.
What details should I lock in the prompt?: Specific, countable traits: hair length and color, eye color, and one signature clothing item. Reuse the exact same wording in every prompt.
How do I put the same character in a new scene?: Feed the reference image back in and change only the setting, telling the model to keep the face, hair, and outfit identical. Editing from the reference beats describing from scratch.
Does the model matter for consistency?: It helps. The free Nano Banana model works for drafts; the paid GPT Image model follows detailed character descriptions more tightly for final images.