How to Create Consistent AI Characters Across Multiple Images

If you've ever tried generating the same AI character in different poses, outfits, or settings, you know the frustration: every new generation looks like a completely different person. This guide breaks down the exact techniques professionals use to maintain character consistency.

1. Start With a Strong Base Prompt

Consistency begins with a detailed, specific prompt. Vague descriptions like "a beautiful woman" will yield wildly different results each time. Instead, anchor your prompt with precise physical descriptors.

2. Lock Your Seed

Most AI image generators use a random seed for each generation. By fixing the seed number, you dramatically increase the likelihood of generating the same face. In tools like Flux and Stable Diffusion, you can set a specific seed value (e.g., --seed 42891) and reuse it across prompts.

3. Use Character References (--cref)

Midjourney's --cref parameter is a game-changer. Upload your best base image as a character reference, and every subsequent generation will try to match that face.

4. Maintain Prompt Structure

When changing poses or settings, keep the character description portion of your prompt identical. Only modify the parts that describe the scene, clothing, or action.

5. Use RealFaces Packs for Instant Consistency

Every character in the RealFaces marketplace comes with a pre-tested base prompt, negative prompt, exact generation settings, and multiple variations — all verified for consistency.