PROMPT GUIDE

Midjourney vs Stable Diffusion (Comparison Table and How to Choose)

Midjourney and Stable Diffusion are often compared as the leading image generators. Which suits you depends less on which is better and more on what you want to make and how much effort you can spend. This guide puts the differences in a table and suggests how to choose by goal.

Last updated: 2026-10-22 approx. 3 min read

日本語版

The short answer

Midjourney is an online service that tends to give polished, well-composed pictures even from short English sentences. Stable Diffusion usually runs on your own PC and lets you control details with models, LoRAs and ControlNet, at the cost of setup and effort. Asking in sentences versus building with tags is another big difference.

What is the difference between Midjourney and Stable Diffusion? (Comparison table)

The big difference is asking an online service in sentences versus building with tags and settings on your own PC.

Point	Midjourney	Stable Diffusion
Where it runs	Online service	Usually your own PC (services exist too)
Prompts	English sentences plus parameters (--ar etc.)	Danbooru tags or sentences (depends on the model)
How the style is set	The service's own look comes through strongly	Set by the chosen model and LoRAs
Precise shape control	Nudge with reference images and words	Fine control with ControlNet, inpaint and more
How costs work	Monthly plans and so on (check the official site)	Software is often free, but PC and electricity cost money
Effort	Low	High (setup, updates, troubleshooting)

Atmospheric anime girl with hair in the wind by a sunset sea — 雰囲気重視の絵

Series with the same character (1): girl reading a book in a cafe — 雰囲気重視の絵

Illustration usage rules

Rinka's tips

Prices, features and versions change. Check the current official information before deciding
If you only make anime pictures, Midjourney's anime-focused mode (niji journey) and Stable Diffusion's anime models are both options

How do the prompts differ?

Midjourney centers on sentences and parameters; Stable Diffusion on tags (sentences for some models).

Item	Midjourney	Stable Diffusion
Subject	an anime girl with long hair	1girl, solo, long hair
Aspect ratio	A parameter like --ar 2:3	Enter width and height numbers
Exclusion	A parameter like --no text	The negative prompt field
Emphasis	Stronger wording, put it earlier	Parentheses and numbers like (tag:1.2)

an anime girl with long black hair and a red ribbon, smiling under cherry blossoms, soft spring light, gentle illustration --ar 2:3

1girl, solo, long hair, black hair, red ribbon, smile, cherry blossoms, outdoors, soft lighting, upper body, masterpiece, best quality

For tips on converting between tags and sentences, see Tag Prompts vs Natural Language Prompts (Which to Use?) →

For how to write Midjourney prompts and parameters, see How to Write Midjourney Prompts (Sentences and Parameters) →

Who is Midjourney best for?

People who want attractive, atmospheric pictures right away with no setup.

You want to use it without worrying about your PC's power
You want good-looking pictures even from short English sentences
Your focus is mood images, idea sketches and atmosphere
You care more about overall mood than precise poses or shapes

Who is Stable Diffusion best for?

People who want to fine-tune shape and style on their own PC.

You want many images of the same character or a fixed style
You want to set the shape from poses or line art
You want detailed touch-ups such as fixing one part or extending the picture
You have a PC with a GPU and can handle setup and research

To set shapes with poses or line art, see ControlNet in How to Use ControlNet (OpenPose, Canny, Depth and Lineart Compared) →

To start Stable Diffusion with a button-style interface, see How to Use Stable Diffusion Forge (Reading the UI and Making Your First Image) →

Which should you choose for your goal?

As a rule of thumb, Midjourney for atmosphere, Stable Diffusion for fine control.

Steps to decide which to use

Write down what you want to make (mood images, or a series with the same character)
Check whether you have a PC with a GPU
Think about how much precise shape control you need
Compare the cost with how many images you want
Make a few with one, and try the other where something is missing

What are common doubts and mistakes?

Bringing tags over as they are and choosing the tool that does not fit your goal are the usual mistakes.

Problem	Cause	Fix
Listing tags in Midjourney gives odd pictures	Tags left as a raw list	Join them into English sentences by meaning
Sentences do not work in Stable Diffusion	Anime models are often trained on tags	Rewrite as Danbooru tags
The same character does not stay consistent	No reference or fixing method used	Use reference images, LoRAs and fixed descriptive words
Stuck at setup	PC power or environment does not fit	Practice on a service first

For tips on keeping the same character consistent, see How to Keep the Same Character in AI Art (Face, Hair and Outfit) →

FAQ

Frequently Asked Questions

Which is better for beginners, Midjourney or Stable Diffusion?

Midjourney is easier to start because it needs no setup. Stable Diffusion needs setup, but once you are used to it you can control details closely.

Can I use Midjourney prompts as they are?

The sentence parts may work on models that understand sentences. For anime models, rewrite them as Danbooru tags, and replace parameters such as --ar with width and height settings.

Which is better for anime pictures?

Both can make them. Midjourney has an anime-focused mode (niji journey), and Stable Diffusion lets you choose anime models. Making a few with whichever is closer to your target look and comparing is the surest way.

Which is cheaper?

Midjourney costs a plan fee, while Stable Diffusion costs a PC and electricity, and the total depends on how many images you make. Check current prices on the official sites.