
Unlock the Full Potential of Midjourney: A Guide to Every Parameter
Apr 22, 2025
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Midjourney is a powerful tool that turns text into stunning visuals. But did you know you can fine-tune your creations with parameters? These hidden settings let you control everything from aspect ratio to the overall style of your images. This guide will walk you through each parameter, helping you create exactly what you envision.
Understanding Midjourney Parameters
When you type a prompt into Midjourney, the tool uses default settings to generate your images. Parameters are like extra instructions you add to your prompt to change these default settings. They always come at the end of your prompt and start with two dashes. For instance, if you want a specific aspect ratio, you'd add something like `--ar 3:4` to your prompt. Separate multiple parameters with a space.
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Key Parameters to Master
Version Control: Choosing Your Midjourney Model
The `version` parameter lets you select which Midjourney model to use. Each model has its own unique style and understanding of prompts. You can use either `--version 3` or `--v 3` to specify a model. The latest models are 7.0 and 7.1, but you can also experiment with older models like `test`, `testp`, or the anime-focused `niji` models.
Aspect Ratio: Framing Your Vision
The `aspect ratio` parameter determines the width and height of your image. The default is 1:1 (square), but you can change it using `--ar` followed by the desired ratio (e.g., `--ar 16:9` for widescreen). Keep in mind that there are limits to how wide or tall your images can be, especially with older models.
Chaos: Adding Variety to Your Results
The `chaos` parameter controls how diverse the results are in your image grid. The default is 0, and you can increase it up to 100 for maximum diversity. Try using `--chaos 5` to add a bit of randomness to your images. It is also possible to use `--c 5` as a shortcut.
Style: Defining the Aesthetic
Midjourney has several parameters related to style. `Stylize` or `s` influences the strength of Midjourney's default visual aesthetic. The default is 100, and the range is 0 to 1000. A higher value means more stylized results. You can also use `style raw` to minimize Midjourney's influence and get more photorealistic images.
Style Reference: Borrowing Aesthetics
`Style reference` or `sref` is a powerful feature that lets you apply the aesthetic of an image to your results. You can use image URLs, `sref` codes, or even the word `random` after the `sref` parameter to apply a random style. `Style weight` or `sw` controls the strength of the style reference. The default is 100, and the range is 0 to 1000.
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Speed and Quality Parameters
Quality: Balancing Detail and Speed
The `quality` parameter controls how much processing power Midjourney uses to generate your images. The default is 1. Lower values mean faster generation but less detail, while higher values result in slower generation but more detail. Different Midjourney models accept different quality values.
Speed: Turbo, Fast, and Relax Modes
Midjourney offers three speed modes: `turbo`, `fast`, and `relax`. `Turbo` and `fast` use your fast GPU hours, while `relax` mode does not. You can set your default speed mode in your settings or override it with a parameter.
Advanced Parameters for Fine-Tuning
Repeat: Running Prompts Multiple Times
The `repeat` parameter tells Midjourney to run the same prompt multiple times. It can only be used with `fast` or `turbo` mode. For example, `--repeat 5` will run the prompt five times.
Stop: Ending Image Generation Early
The `stop` parameter lets you end image generation early. It takes values between 10 and 100. For example, `--stop 50` means stop at 50% completion. This can be useful for softer, more abstract results.
Image Weight: Influencing with Images
`Image weight` or `iw` can only be used with image prompts (when you include one or more images at the beginning of your prompt). Image Weight controls how much influence those images have on your results. The default value is one.
Character Reference: Consistent Characters
`Character reference` or `cref` lets you match a character from a reference image. Type your prompt, then add `--cref` followed by the image URL. `Character weight` or `cw` controls how closely Midjourney adheres to the character's clothing and hairstyle. The default is 100, and the range is 0 to 100.
Personalization: Creating Your Own Model
`Personalize` or `p` lets you create your own custom Midjourney model. First, you need to teach Midjourney about your style. When enabled, your personalized model will override the default Midjourney aesthetic.
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Other Useful Parameters
No: Excluding Elements
The `no` parameter tells Midjourney what you don't want in your image. Add `--no` followed by whatever you want to exclude, separated by commas.
Tile: Creating Repeating Patterns
Add `--tile` to your prompt to create seamless repeating patterns. The resulting images can be tiled to create a seamless pattern.
Seed: Controlling the Initial Noise
Each Midjourney job starts with a canvas of visual noise linked to a seed number. Use the `seed` parameter to use a specific seed number and get similar results when you run the same prompt multiple times.
Weird: Embracing the Unexpected
The `weird` parameter creates strange and unexpected results. The default is 0, and it takes values up to 3000. Experiment to see what value you prefer for a given prompt.
Conclusion
By mastering these Midjourney parameters, you can unlock the full potential of this powerful tool and create truly unique and stunning images. Experiment with different parameters and combinations to discover your own style and push the boundaries of what's possible. Don't forget to keep an eye out for new parameters and updates from Midjourney!






