Stability AI's 2.5-billion parameter Multimodal Diffusion Transformer with improvements (MMDiT-X) text-to-image model optimized for consumer hardware, featuring improved image quality, typography, and complex prompt understanding
Settled by community votes across 1 shared challenge, with an AI judge weighing in on each.
Stable Diffusion 3.5 Medium
15.7
arena score
#41 of 44 in Text-to-Image
Skill signature
Not enough comparable category data
The chart appears once both models have ratings across at least three shared arena categories.
Z-Image Turbo
24.7
arena score
#15 of 44 in Text-to-Image
Vote tally
Where the votes landed
Stable Diffusion 3.5 Medium
0%
win rate
Ties
0%
Z-Image Turbo
0%
win rate
Shared challenges
1
Challenge by challenge
The strongest take from each model on every shared challenge, with the AI judge's read.
The Halloween Invitation
Text-to-Image“Vintage gothic Halloween party invitation. Dark parchment poster, spooky border with webs and thorns, central glowing jack-o-lantern, bats, twisted trees, moody night sky. Add elegant gothic title text saying "Halloween Party Invitation", a small scroll banner saying "You are invited to a night of frights", and event details at the bottom: Date: 30.10.2026 Time: 7pm Location: The Arches, NYC Spooky but polished, cinematic lighting, square format.”
Stable Diffusion 3.5 Medium
Z-Image Turbo
AI Judge Analysis
Stable Diffusion 3.5 Medium
- + Bold, vibrant colors and balanced layout
- + Creative use of trees to frame the central parchment
- − Significant spelling errors and illegible text strings
- − Missing requested elements like the scroll banner and thorns
Z-Image Turbo
- + High text accuracy and legibility throughout
- + Excellent adherence to details like the scroll banner and thorn border
- + Polished, cinematic lighting on the central jack-o-lantern
- − Minor typo in 'Archves' instead of 'Arches'
- − The layout feels slightly crowded at the top
Verdict: Z-Image Turbo is the clear winner for its superior text rendering and adherence to complex prompt instructions like the thorn border and scroll banner. While Stable Diffusion 3.5 Medium has a strong artistic composition, its inability to spell simple words and its omission of key design elements makes it less functional as a party invitation.
Next steps
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Tongyi-MAI's 6-billion parameter distilled text-to-image model optimized for speed, achieving high-quality generation in 8 steps or fewer with support for bilingual text rendering