What is the difference between Midjourney v4 and Stable Diffusion XL?

Midjourney v4 is developed by Midjourney while Stable Diffusion XL is developed by Stability AI. You can compare their actual outputs across 3 challenges on Rival to see how they differ in practice.

Which is better, Midjourney v4 or Stable Diffusion XL?

It depends on your use case. Midjourney v4 and Stable Diffusion XL each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 3 challenges so you can judge which fits your needs best.

How can I compare Midjourney v4 and Stable Diffusion XL on Rival?

This page shows a side-by-side comparison of Midjourney v4 and Stable Diffusion XL across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.