Side by side
Stable Diffusion vs Midjourney
A fact-based comparison built only from each tool's verified directory profile — pricing summaries, plan availability, platforms, and stated strengths and limitations. No rankings, no sponsored placement.
| Criterion | Stable Diffusion | Midjourney |
|---|---|---|
| Category | AI Image Generators | AI Image Generators |
| In one sentence | Open-weight image generation you can run locally or through hosted APIs, with deep customisation via community models. | An AI image generator known for highly stylised, artistic output from short text prompts. |
| Problem it solves | Generating images with full control over the model, tooling, and where your data goes. | Producing original illustrations and concept art without a design team. |
| Free plan | Yes | No |
| Developer API | Yes — docs | No |
| Open source | Yes | No |
| Platforms | Windows, Linux, macOS, Hosted API | Web, Discord |
| Pricing (summary) | The model weights are open — self-hosting is free; hosted APIs and apps charge per use. Verify current options on Stability AI's site. Checked 2026-10-05 | Paid subscription plans only — there is no free tier. Verify current plans and commercial terms on Midjourney's site. Checked 2026-10-05 |
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How to choose
Both profiles link to the vendors' official pricing — plan details change often, so verify there before buying. Pick based on the criterion rows above that matter to your workflow, not on rankings: we don't rank tools, because the right choice depends on your needs.