The Challenge of Character Consistency in AI Art
Generative AI models like Midjourney and DALL-E 3 are incredible at creating stunning, one-off visuals. However, if you are creating a comic book, a marketing campaign, or a visual novel, you need the same character to appear in multiple scenes, from different angles, and with different expressions.
Without specific instructions, AI models interpret the "seed" differently every time, resulting in characters that look like siblings rather than the exact same person.
How to Maintain Consistent Characters
To force the AI to remember a face, you must use a rigid, structured prompt formula that leaves no room for interpretation regarding facial bone structure, ethnicity, and distinct features.
Using the Visual AI Prompt Builder
Instead of manually typing out complex parameter strings, you can use our free tool:
- Open the Visual AI Prompt Builder.
- Enter the base description of your character and the scene (e.g., "A cyberpunk hacker in a neon alleyway").
- Select your desired aspect ratio, lighting (e.g., "Neon lighting, cyberpunk aesthetic"), and camera angle.
- The Secret Sauce: Check the box for Enable Strict Facial Consistency Mode.
- The tool will automatically inject the necessary structural modifiers (like precise bone structure directives and negative prompts) into the final output. Copy the full prompt and paste it into Midjourney!
Best Practices for Midjourney (`--cref`)
If you are using Midjourney v6, the Prompt Builder's output pairs perfectly with the `--cref` (Character Reference) parameter. First, generate your character using the Prompt Builder. Then, use that generated image's URL as a reference point in future prompts by adding `--cref [URL]` to the end of your generated text.
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Try the Visual Prompt BuilderFAQ: AI Character Consistency
How to keep a character consistent in Midjourney?
To keep a character consistent in Midjourney, you should use the `--cref` (character reference) parameter followed by an image URL of your character. Combine this with strict, structural text prompts generated by tools like our Visual AI Prompt Builder to ensure the AI doesn't deviate from the facial structure in the reference image.
What is the cref parameter in Midjourney?
The `--cref` parameter stands for "Character Reference." It is a feature in Midjourney v6 that allows you to provide an image URL as a reference point for character consistency. You can also use the `--cw` (character weight) parameter to control whether the AI copies just the face (0) or the face, hair, and clothing (100).
How do you maintain the same face in DALL-E 3?
DALL-E 3 (via ChatGPT Plus) is highly responsive to text but struggles with consistency across sessions without seeds. The best method is to use a highly rigid "Strict Facial Consistency" text prompt that explicitly defines bone structure, eye shape, and ethnicity, and generate all variations of the character within the same chat session.
How to write a good character design prompt for AI?
A good character design prompt avoids vague adjectives. Instead of "beautiful," specify "high cheekbones, sharp jawline, emerald green eyes." Structure your prompt in this order: Subject Description, Clothing/Props, Lighting, Camera Angle, and Aspect Ratio. Using a Prompt Builder automates this formatting.
Can you use multiple reference images in Midjourney?
Yes, you can use multiple character reference images in Midjourney by appending multiple URLs after the `--cref` parameter, separated by a space (e.g., `--cref URL1 URL2`). Midjourney will attempt to blend the facial features from all provided references into the final output.
Does aspect ratio affect AI character generation?
Yes, aspect ratio significantly affects composition. For character portraits, a vertical aspect ratio like `--ar 9:16` or `--ar 4:5` forces the AI to focus on the full body or face, whereas landscape ratios (`--ar 16:9`) encourage the AI to generate more background environment, which can sometimes distract from the character details.