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AI Tools · head to head

Stable Diffusion vs Midjourney

Stable Diffusion logo

Stable Diffusion

AI Tools

Open-source AI image generation

From
Free
Rated
-
Midjourney logo

Midjourney

Social Media & Content

AI image generation with artistic excellence

From
$10/month
Rated
-

The short version

  • Only Stable Diffusion has a free tier, so it costs nothing to try first.
  • Each has a real cost: Stable Diffusion generated images have lower resolution and quality at non-standard dimensions; Midjourney subscription tiers as captured 29 December 2023 ranged from $10/month (3.3 Fast GPU hours) to $120/month (60 Fast GPU hours), with extra GPU time at $4/hour, and companies earning over $1,000,000/year in gross revenue were required to use the Pro plan
  • They diverge on capability: Stable Diffusion covers Image-to-image, Midjourney covers Style transfer.

Where they differ

Only the attributes on which Stable Diffusion and Midjourney actually diverge.

Attributes where Stable Diffusion and Midjourney differ
AttributeStable DiffusionMidjourney
Starting priceFree$10/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, Local (GPU-based), Cloud APIsDiscord, Web
CategoryAI ToolsSocial Media & Content
Founded20192021

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Stable Diffusion

  • Image-to-image
  • Inpainting
  • LoRA support
  • ComfyUI
  • Automatic1111
  • Multiple UIs
  • Local support
  • Api support

Only in Midjourney

  • Style transfer
  • Image upscaling
  • Variation generation
  • Discord
  • Web interface
  • Discord support

Both cover

  • Text-to-image
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Stable Diffusion

  • ai tools management
  • Workflow automation
  • Reporting

Midjourney

  • ai tools management
  • Workflow automation
  • Reporting

Both are used for ai tools management, workflow automation, reporting, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Stable Diffusion

  • Generated images have lower resolution and quality at non-standard dimensions
  • Struggles with complex multi-object prompts and text generation
  • Poor rendering of human hands, limbs, and faces due to training data limitations
  • Trained primarily on English-language descriptions, reinforcing Western cultural bias
  • Requires significant GPU computational resources for local deployment

Midjourney

  • Subscription tiers as captured 29 December 2023 ranged from $10/month (3.3 Fast GPU hours) to $120/month (60 Fast GPU hours), with extra GPU time at $4/hour, and companies earning over $1,000,000/year in gross revenue were required to use the Pro plan

Pricing, plan by plan

Stable Diffusion

Free

No published plan breakdown. See the Stable Diffusion review.

Midjourney

$10/month
  • Basic$10/month
    • 200 generations/month
    • General commercial terms
  • Standard$30/month
    • 15 GPU hours
    • Unlimited relaxed
  • Pro$60/month
    • 30 GPU hours
    • Stealth mode

Which should you pick?

Choose Stable Diffusion if

  • You need image-to-image.
  • You want to start without paying.
  • You work on Web, Local (GPU-based), Cloud APIs.
  • You also want inpainting.

Choose Midjourney if

  • You need style transfer.
  • You work on Discord, Web.
  • You also want image upscaling.

Questions people ask

Is Stable Diffusion or Midjourney better?
Neither clearly leads. Stable Diffusion starts at Free and Midjourney at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Stable Diffusion or Midjourney?
Stable Diffusion has a free tier; the other does not. Paid plans start at Free for Stable Diffusion and $10/month for Midjourney.
Does Stable Diffusion or Midjourney run on more platforms?
Stable Diffusion runs on Web, Local (GPU-based), Cloud APIs. Midjourney runs on Discord, Web.
Can I use Stable Diffusion for free?
Yes. Stable Diffusion has a free tier, so you can try it without paying. Midjourney starts at $10/month.
What is Stable Diffusion best used for?
Stable Diffusion is most often used for ai tools management, workflow automation, reporting.
What can Stable Diffusion do that Midjourney cannot?
Stable Diffusion covers Image-to-image, Inpainting, LoRA support, ComfyUI. Midjourney covers Style transfer, Image upscaling, Variation generation, Discord. Both handle Text-to-image, Web support.

Answered from the vendors’ own pages

Stable Diffusion: Is Stable Diffusion truly free and open-source?

Yes. Stable Diffusion is released under the CreativeML Open RAIL-M license, allowing free use for both commercial and non-commercial purposes, and the code is open-source on GitHub.

Source
Stable Diffusion: Can I use Stable Diffusion commercially for free?

Yes, if your organization has less than $1M annual revenue. Organizations exceeding $1M annually must obtain an Enterprise License from Stability AI.

Source
Stable Diffusion: What are Stable Diffusion's image resolution limitations?

The base model was trained on 512x512 pixel images, and image quality degrades noticeably when deviating from this resolution. Newer models like SDXL support higher resolutions.

Source
Stable Diffusion: Can I run Stable Diffusion locally on my computer?

Yes. Stable Diffusion is open-source and can run locally on compatible hardware, though it requires a GPU for reasonable performance.

Source

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