Midjourney Parameters Explained

It can be incredibly frustrating when you're trying to get Midjourney to produce that perfect image, but the results just aren't quite hitting the mark. You've tweaked your prompts, tried different words, but it still feels like you're missing a secret ingredient to truly steer the AI. That secret often lies in understanding and mastering Midjourney's powerful parameters. This guide is here to demystify those little command line additions, showing you exactly how to use them to gain more control over your creations, achieve consistent styles, and push the boundaries of your artistic vision.

Understanding the Core Concept of Midjourney Parameters

When you're first diving into Midjourney, typing out a simple prompt like /imagine a futuristic city at sunset feels magical. But after a while, you start craving more control, don't you? You want that city to be widescreen, or perhaps a bit more chaotic, or maybe you want to reproduce a similar image later. That's where parameters come into play – they're your advanced toolkit for image generation.

What Are Parameters and Why Do They Matter?

Parameters are essentially instructions or modifiers that you append to your main text prompt in Midjourney. Think of them as switches, dials, or sliders that fine-tune how the AI interprets and executes your creative vision. Instead of just telling Midjourney what to create, parameters help you define how it should be created. They dictate everything from the image's aspect ratio to its overall artistic style, quality, and even how much "randomness" is introduced.

Without parameters, you're relying solely on the descriptive power of your words, which can be a bit like trying to paint with only broad strokes. Parameters allow for nuanced adjustments, giving you the ability to shape your output with much greater precision. For instance, if you want a really detailed, photorealistic image, you can tell Midjourney to prioritize quality. If you're experimenting and want a more unpredictable outcome, there's a parameter for that too. They empower creators to move beyond basic prompts and craft images that align more closely with their specific aesthetic and functional needs. They're indispensable for anyone looking to get How to Get Better AI Image Results and really make Midjourney sing.

How to Apply Parameters to Your Prompts

Applying parameters in Midjourney is quite straightforward once you understand the basic syntax. They are always added at the very end of your prompt, separated by spaces, and typically begin with a double hyphen (--). For example, if your prompt is a majestic dragon soaring over a snowy mountain, and you want it in a widescreen format, you would add --ar 16:9 to the end:

/imagine a majestic dragon soaring over a snowy mountain --ar 16:9

Some parameters are simple flags (like --v 6), while others require a value (like --chaos 50). You can also string multiple parameters together in a single prompt. There's no particular order you need to follow when adding multiple parameters, but it's good practice to keep them organized for your own readability, especially as your prompts become more complex. For example:

/imagine a retro-futuristic robot bartender, neon glow, bustling city background --ar 3:2 --q 2 --s 250 --seed 12345

This example shows a combination of parameters for aspect ratio, quality, stylization, and a specific seed. Understanding this syntax is the first step toward unlocking the full potential of Midjourney, allowing you to iterate faster and get closer to your desired output without having to completely rewrite your prompt each time. If you're still struggling with the basics of prompting, our comprehensive Midjourney Prompt Guide can offer a great starting point before you dive deep into parameters.

Aspect Ratio Parameters: Shaping Your Canvas

One of the most immediate and impactful ways to control your generated images is by setting their dimensions. The aspect ratio dictates the width-to-height relationship of your image, fundamentally altering its composition and how it feels to the viewer. Getting this right from the start can save you a lot of time and frustration in post-processing.

The --ar Parameter for Image Dimensions

The --ar parameter (short for aspect ratio) is your primary tool for defining the shape of your generated image. You specify it by providing two numbers separated by a colon, representing the width and height. For example, --ar 16:9 tells Midjourney to create an image that is 16 units wide for every 9 units high, which is perfect for widescreen video or desktop backgrounds. Conversely, --ar 9:16 would create a tall, vertical image, ideal for social media stories or phone wallpapers.

The default aspect ratio in Midjourney varies slightly depending on the model version you're using, but typically hovers around 1:1 (a perfect square). While this square format can be versatile, it doesn't always suit every creative need. Imagine trying to capture a vast landscape or a towering skyscraper in a square – you'd inevitably lose some of the grandeur or scale. By consciously choosing your aspect ratio, you're not just changing dimensions; you're also influencing the framing, perspective, and overall narrative of your image. This single parameter can dramatically alter the visual impact of your output.

Practical Applications of Different Aspect Ratios

Choosing the right aspect ratio is crucial for the intended use and visual appeal of your image. Let's look at some common ratios and their practical applications:

• --ar 1:1 (Square): This is the classic, symmetrical format often associated with platforms like Instagram feeds. It creates a balanced, focused composition, drawing the viewer's eye directly to the center. It's excellent for portraits, product shots, or any subject where a balanced, self-contained frame is desired. Many creative concepts work well in this format, and it's forgiving for beginners.
• --ar 3:2 or --ar 4:3 (Standard Photography): These ratios mimic traditional camera formats. 3:2 is common for DSLR photography, offering a slightly wider field of view than a square, making it great for more dynamic compositions while still feeling familiar and natural. 4:3 is a bit squarer than 3:2 but still wider than 1:1, often used for general photography and some older display screens. These are fantastic for blog headers or general web content where you want a classic, pleasing aesthetic.
• --ar 16:9 (Widescreen): This cinematic ratio is perfect for capturing expansive scenes, dramatic landscapes, or action shots. It's the standard for YouTube videos, TV screens, and desktop monitors. Using --ar 16:9 can evoke a grander, more immersive feeling, making it suitable for epic fantasy scenes, architectural renders, or promotional banners. If you're generating images for video projects, this is your go-to.
• --ar 9:16 (Vertical/Portrait): The inverse of widescreen, this tall format is dominant on mobile platforms like TikTok, Instagram Stories, and Pinterest. It's excellent for full-body portraits, fashion photography, or any subject that benefits from a vertical emphasis, like a soaring tower or a character's detailed attire. For social media managers, mastering this parameter is essential for creating native-feeling content.

Consider the example of generating an image of a lone tree on a hill. With --ar 1:1, the tree becomes the undeniable focal point. With --ar 16:9, you can capture the vastness of the surrounding landscape, placing the tree as a small but significant element within a grander scene. Conversely, --ar 9:16 might turn the tree into a slender, reaching silhouette against a dramatic sky. For more detailed insights into how these ratios can impact your visuals, check out our guide on Midjourney Aspect Ratios Explained.

Quality and Stylization Parameters: Finessing the Details

Once you have your basic composition defined by the aspect ratio, the next step is to dial in the aesthetic quality and artistic style. Midjourney offers parameters that allow you to control the level of detail, the computational effort invested, and the overall artistic flair applied to your images.

--quality or --q: Controlling Image Detail and Render Time

The --quality (or --q for short) parameter is a crucial dial for balancing image detail with generation speed and cost. This parameter determines how much time Midjourney spends rendering the subtle nuances and finer details of your image. It typically ranges from 0.25 to 1 (or sometimes higher with specific model versions).

• --q 0.25: This low quality setting is fantastic for rapid prototyping, brainstorming, or when you simply need a quick visual idea without much refinement. Images will generate faster, and they'll consume fewer of your GPU minutes. However, the details might be softer, less defined, and overall less polished. Think of it as a rough sketch.
• --q 0.5: A good middle ground, offering a decent balance between speed and detail. This is often suitable for internal concepts or blog post images where extreme fidelity isn't the top priority but you still want a clean output.
• --q 1: This is usually the default or standard quality setting, producing images with a good level of detail and sharpness. Most users will find this sufficient for their final outputs, offering a polished look without excessive processing time.
• --q 2 (or higher, depending on the model): For those moments when absolute crispness and intricate details are paramount, pushing the quality higher is the way to go. This setting will result in images with exceptional fidelity, especially noticeable in textures, lighting, and complex elements. However, be aware that --q 2 will take roughly twice as long to generate and consume more GPU minutes, making it a more resource-intensive choice. It's ideal for hero images, high-resolution prints, or when you need your visuals to truly shine.

Understanding the --q parameter is key to managing your Midjourney subscription and workflow. You wouldn't use --q 2 for every single idea you're testing, just as you wouldn't use --q 0.25 for a client's final deliverable. Smart use of this parameter allows you to optimize your creative process.

--style and --stylize or --s: Guiding Artistic Expression

The --stylize (or --s) parameter influences how strongly Midjourney's aesthetic preferences are applied to your image, independently of your prompt. It dictates how "artistic" or "opinionated" the AI becomes with its rendering, pushing towards more abstract, painterly, or visually distinct styles. Values for --s typically range from 0 to 1000.

• Low s values (e.g., --s 0 to --s 50): At the lower end, Midjourney will stick very closely to your prompt, producing a more literal interpretation without much embellishment. This is useful when you need precise control over every element described in your prompt and want minimal artistic deviation from the AI. The image might feel more "flat" or less imaginative, but it will be highly accurate to your words.
• Medium s values (e.g., --s 100 to --s 250): This is often the sweet spot for many creators. Midjourney still adheres to your prompt but infuses its own artistic flair, resulting in more beautiful, creative, and visually appealing outputs. This range balances adherence to your prompt with Midjourney's inherent aesthetic capabilities.
• High s values (e.g., --s 500 to --s 1000): Pushing --s higher will make Midjourney take greater artistic liberties. The results can be incredibly creative, unique, and stunning, but they might stray further from the literal interpretation of your prompt. Images may become more abstract, with exaggerated styles, colors, or compositions. This is excellent for experimental art, generating concept art, or when you're looking for unexpected, high-impact visuals. However, it can make it harder to achieve specific, detailed outcomes.

Choosing the right --stylize value depends on your creative goal. Are you looking for a faithful rendition of your text, or are you hoping for Midjourney to surprise you with its artistic prowess? Experimentation is key here to find the balance that works for your project.

The Evolution of Stylization with Different Midjourney Versions

It's important to understand that the impact and default behavior of stylization have significantly evolved across different Midjourney model versions. What a --s 100 might look like in Midjourney V4 could be vastly different from V5 or the newer V6 or V7 models.

Older versions, like V3 or V4, often had a more pronounced, almost dream-like default stylization. As Midjourney evolved, especially with the release of Midjourney V7 Features and Updates, the models became much more "prompt-aware" and capable of understanding natural language. This means that with newer models, the AI often produces stunning, stylized results even with lower --s values, because the model inherently has a better grasp of aesthetic concepts described in the prompt. The default stylization has become more sophisticated, less overtly "AI-generated" in a uniform way, and more responsive to specific stylistic descriptors within the prompt itself.

For instance, Midjourney V6 offered a huge leap in photorealism and prompt adherence. This meant users could achieve highly realistic images with less need for extreme --stylize values, relying more on descriptive language. The --style raw parameter (often used in conjunction with --s) also emerged to offer even more granular control over stylization, allowing users to strip away Midjourney's default aesthetic for a truly unadorned, literal interpretation of the prompt. As the models continue to improve, the interplay between your prompt, the --stylize parameter, and the inherent capabilities of the current model version becomes a complex but rewarding dance.

Chaos and Weirdness Parameters: Injecting Unpredictability

Sometimes, sticking too closely to your prompt or aiming for perfect realism can stifle creativity. Midjourney understands this, offering parameters that introduce elements of unpredictability and unconventional aesthetics, perfect for when you want to break free from the ordinary.

--chaos or --c: Embracing Creative Randomness

The --chaos (or --c) parameter is your go-to for introducing creative variability into your image generations. It controls how much the initial image grids deviate from each other and from the core concept of your prompt. The value for --chaos ranges from 0 (very low chaos) to 100 (very high chaos).

• --c 0: At this setting, Midjourney will produce variations that are very similar to each other and closely adhere to your prompt's main themes. This is ideal when you have a clear vision and want minor, subtle differences between your generated options. For example, if you're trying to refine a specific character design, low chaos will give you slight variations in pose or expression while maintaining the core look.
• --c 50 (Moderate Chaos): This is a good sweet spot for exploration. Midjourney will still stick to your prompt, but the variations in the grid will be more distinct. You might see different compositions, lighting scenarios, or minor stylistic shifts. This is excellent for brainstorming and discovering new directions you hadn't initially considered.
• --c 100 (High Chaos): Maxing out the chaos parameter will lead to highly diverse and often surprising results. The images in your grid might be radically different from each other, pushing the boundaries of your prompt's interpretation. While this can sometimes lead to unexpected masterpieces, it also increases the chance of generating irrelevant or strange outputs. High chaos is perfect for abstract art, breaking creative blocks, or when you're simply looking to be truly inspired by the unexpected.

Imagine you're prompting for "a cozy living room." With --c 0, you might get four very similar cozy living rooms, perhaps with slight furniture rearrangement. With --c 100, you might get one traditional, one bohemian, one minimalist, and one futuristic cozy living room, all stemming from the same initial prompt. This parameter is a powerful tool for discovering novel interpretations and expanding your creative horizons.

--weird or --w: Pushing the Boundaries of Conventional Aesthetics

If --chaos introduces structural randomness, the --weird (or --w) parameter focuses on aesthetic eccentricity. It's designed to generate unusual, bizarre, and unique images that challenge conventional beauty standards. The --weird parameter typically ranges from 0 (off) to 3000.

• --w 0 (Default): This is the standard setting where Midjourney aims for generally appealing and coherent images.
• Low --w values (e.g., --w 500): Even at moderate levels, --weird can start introducing subtle anomalies or unexpected juxtapositions. You might see unusual color palettes, slightly distorted perspectives, or elements that feel just a little "off" in an intriguing way.
• High --w values (e.g., --w 1500 to --w 3000): At the higher end, --weird will actively try to produce surreal, abstract, or even unsettling visuals. Expect strange textures, unconventional forms, distorted figures, or dreamlike compositions. This parameter is definitely not for photorealism or straightforward designs. Instead, it's for artists and creators who want to explore avant-garde aesthetics, create conversation-starting art, or delve into abstract concepts.

Using --weird is like telling Midjourney, "Don't just make it beautiful; make it unforgettable, even if it's a bit strange." It's particularly useful for artists looking to create distinctive, non-commercial art, or for projects that intentionally seek to evoke curiosity or discomfort. For example, a prompt like "a serene forest" with a high --w value might turn into a forest where trees grow upside down, or the leaves glow with an unnatural light, or the colors are hyper-saturated and alien. While not for everyone, for those seeking truly original and boundary-pushing art, --weird is an exciting parameter to explore.

Seed and Repeat Parameters: Consistency and Iteration

Consistency is often the holy grail when working with generative AI. Whether you're trying to reproduce a specific style, maintain a character across multiple images, or simply generate a batch of similar ideas, the --seed and --repeat parameters are your best friends.

--seed: Replicating Image Generation

Every time you generate an image in Midjourney, a random "seed" number is used behind the scenes. This seed acts like the starting point or the initial noise pattern from which the image begins to form. The incredible thing is that if you use the exact same prompt and the exact same seed, Midjourney will produce a nearly identical image. This is invaluable for consistency.

To use the --seed parameter, you simply add --seed <number> to your prompt. For example:

/imagine a wise old wizard in a magical library --ar 2:3 --seed 7890

How to find a seed: After an image grid is generated, you can react to it with the envelope emoji (✉️) in Discord. Midjourney will then send you a direct message containing all the details of that generation, including the full prompt, the aspect ratio, the specific model version used, and crucially, the seed number. You can then copy this seed and reuse it for future prompts.

The importance of --seed cannot be overstated, especially for projects requiring consistency, like character design, storyboarding, or creating a series of related visuals. If you generate a character you absolutely love, saving its seed number means you can regenerate that character in different poses, outfits, or environments while maintaining their core identity. This is a fundamental technique for achieving continuity in your AI art, a common challenge many creators face. For more advanced techniques on this, you might explore how to Keep Characters Consistent Across Images in Midjourney.

--repeat or --r: Generating Multiple Variations Efficiently

The --repeat (or --r) parameter is a simple yet powerful tool for efficiency and exploration. Instead of typing the same prompt multiple times to generate several grids, you can use --repeat to tell Midjourney to run your prompt multiple times in one go.

For example, /imagine a glowing bioluminescent forest --r 4 will run that prompt four separate times, generating four distinct image grids (a total of 16 images, as each grid has four variations).

Benefits of --repeat:

• Time-Saving: It saves you from repeatedly typing or pasting your prompt, streamlining your workflow, especially when you're exploring many different ideas or trying to find that one perfect composition.
• Increased Exploration: By generating multiple grids quickly, you get a broader range of visual ideas and interpretations based on your prompt. This is fantastic for brainstorming sessions or when you're not entirely sure what you want and need to see diverse options.
• Comparing Results: When combined with other parameters (like different --stylize or --chaos values), --repeat allows you to efficiently compare the effects of those parameters across multiple generations. For example, you could run a prompt with --s 100 --r 2 and then another with --s 500 --r 2 to see how stylization affects the outcome.

While --repeat is incredibly useful, remember that each "repeat" counts as a separate job and consumes GPU minutes accordingly. So, use it wisely, especially when experimenting with high-quality settings. It's a fantastic way to quickly iterate and find the best output from a single prompt idea, making your creative process much more fluid and productive.

Advanced Parameters for Fine-Tuning and Control

As you become more comfortable with Midjourney, you'll want to delve into parameters that offer even finer control, allowing you to specify model versions, blend images, and exclude unwanted elements. These parameters elevate your prompting from good to exceptional.

--v or --version: Specifying Midjourney Model Versions

Midjourney is constantly evolving, with new models and updates being released regularly. The --v (or --version) parameter allows you to specify which version of the Midjourney model you want to use for your generation. Each model version has its unique strengths, biases, and aesthetic characteristics.

For example, --v 5.2 would tell Midjourney to use version 5.2, while --v 6 would use version 6. Currently, users are often using --v 6 or testing out --v 7 as it rolls out, each offering distinct improvements and changes.

Why different versions matter:

• Aesthetic Differences: Older versions might have a more "painterly" or stylized look, while newer versions like V6 offer incredible photorealism and better prompt adherence. If you liked the look of a specific older version for certain art styles, you can still access it.
• Feature Availability: Some parameters or features might only be available or behave differently in specific model versions. For instance, the --style raw parameter for unstylized outputs was a significant addition with V6.
• Prompt Understanding: Newer models are generally better at understanding complex, natural language prompts and producing more accurate results. They also often excel at details like hands and faces, which were common pain points in older versions.

By choosing the appropriate model version, you can leverage its unique capabilities for your specific artistic goals. Sometimes, a project might benefit from the highly aesthetic output of an earlier version, while another demands the crisp realism and detailed control of a newer one. Staying updated on Midjourney V7 Features and Updates will give you a clear advantage in utilizing the latest capabilities.

--iw: Image Weight and Blending

The --iw parameter, short for "image weight," is used when you're blending text prompts with one or more image prompts. An image prompt is simply a URL to an image that Midjourney will use as a visual reference or starting point. The --iw parameter determines how much influence the provided image has compared to your text prompt.

Values typically range from 0 to 2.

• --iw 0: The image prompt has virtually no weight. The text prompt dominates the generation.
• --iw 1 (Default): The image and text prompts are given roughly equal weight. This is often a good starting point for blending concepts.
• --iw 2: The image prompt has a very strong influence on the final output, often dominating the composition, style, and color palette, with the text prompt serving as a modifier.

Practical Use: Imagine you have a photograph of a specific landscape ([image URL]) and you want to depict a "futuristic city" in that same landscape.

/imagine [image URL] a futuristic city --iw 1

This would blend the two concepts. If you find the futuristic city isn't prominent enough, you could increase the text prompt's importance (by reducing image weight or simply making the text prompt more descriptive). Conversely, if you want the image to almost perfectly replicate the photo but with a slight futuristic twist, you'd use a higher --iw value. This is a powerful technique for creating variations of existing artwork or maintaining a consistent visual theme. For an in-depth look at leveraging visual references, explore our guide on How to Use Reference Images in Prompts.

--no: Excluding Unwanted Elements

The --no parameter is a simple yet incredibly effective tool for negative prompting. It tells Midjourney what you explicitly do not want to appear in your generated image. This is a lifesaver when the AI consistently includes elements that detract from your vision.

To use it, simply add --no <element you want to exclude> to your prompt. You can list multiple items separated by commas.

Examples:

• /imagine a vibrant garden --no flowers (This would attempt to create a vibrant garden that is explicitly devoid of flowers, perhaps focusing on foliage or statues).
• /imagine a person walking in the rain --no umbrella, puddles (This would generate someone in the rain without an umbrella and without visible puddles).
• /imagine a serene lake at sunrise --no boats, people, trash (This ensures a pristine, undisturbed scene).

The --no parameter is excellent for cleaning up generations, removing common tropes, or refining the focus of your image. If Midjourney keeps adding certain elements you don't like, instead of trying to out-prompt it with positive descriptors, simply tell it what not to include. It’s a foundational technique, and learning How to Use Negative Prompts can drastically improve your output quality and save you countless regenerations.

Midjourney Parameters Quick Reference Table

Here's a handy table summarizing some of the most commonly used Midjourney parameters:

Parameter	Shorthand	Description	Typical Range / Values	Practical Use
--aspect	--ar	Sets the width-to-height ratio of the image.	1:1, 3:2, 4:3, 16:9, 9:16, etc.	Control image shape for specific platforms (social media, print, video).
--quality	--q	Controls the rendering quality and detail level.	0.25, 0.5, 1, 2	Balance detail with generation speed and GPU cost.
--stylize	--s	Influences Midjourney's aesthetic bias, from literal to artistic.	0 to 1000	Adjust the level of artistic flair; 0 for literal, 1000 for highly stylized.
--chaos	--c	Controls the variety and unexpectedness of initial image grids.	0 to 100	Generate similar results (0) or wildly diverse ones (100) for brainstorming.
--weird	--w	Introduces unusual, bizarre, or unconventional aesthetics.	0 to 3000	Create surreal, abstract, or unsettling art; not for photorealism.
--seed		Sets a specific starting point for image generation.	Any integer	Reproduce previous images or maintain consistency across a series.
--repeat	--r	Runs the prompt multiple times to generate several grids.	1 to 40	Efficiently generate many variations or test different settings.
--no		Excludes specific elements from the generated image.	Any keyword(s)	Remove unwanted objects, colors, or styles (e.g., --no cars, red).
--version	--v	Specifies which Midjourney model version to use.	1, 2, 3, 4, 5, 5.1, 5.2, 6	Access specific model aesthetics and features (e.g., --v 6 for photorealism).
--image weight	--iw	Determines the influence of an image prompt relative to a text prompt.	0 to 2	Blend visual references with text prompts, controlling the blend intensity.

Combining Parameters for Complex Results

The real magic of Midjourney parameters unfolds when you start combining them. Each parameter acts as a lever, and when pulled together, they can create highly sophisticated and precisely tailored images. It’s like composing a symphony instead of just playing a single note.

For example, imagine you want to create a series of vibrant, unique illustrations for a children's book. You might start with a prompt like:

/imagine a whimsical forest creature, highly detailed, friendly expression --ar 3:2 --v 6 --q 2 --s 750 --c 70

Let’s break this down:

• a whimsical forest creature, highly detailed, friendly expression: This is your core concept.
• --ar 3:2: Sets a traditional, slightly wider-than-square canvas, good for storybooks.
• --v 6: Ensures you're using a newer model known for better detail and prompt adherence.
• --q 2: Demands a high level of detail, perfect for intricate illustrations.
• --s 750: Pushes Midjourney towards a very stylized, artistic interpretation, ideal for whimsical art.
• --c 70: Introduces a good amount of chaos, ensuring that each creature generated in your grid is unique and varied, giving you lots of options to choose from without being completely random.

This single prompt, armed with multiple parameters, is far more powerful and directive than just the descriptive words alone. It’s how you move from generating generic images to crafting specific, artistic visions that align perfectly with your creative brief. Experimentation is the key here. Don’t be afraid to tweak values, add new parameters, or remove others to see how they interact. This iterative process is how you truly learn what each parameter contributes and how to harness their collective power.

Disclaimer

Please remember that the information provided in this guide is based on the current understanding and functionality of Midjourney parameters. AI models are constantly evolving, and features, syntax, or their effects may change with future updates. Always refer to the official Midjourney documentation for the most up-to-date information.