Stable Diffusion 3.5 Mediumvs.Show-o2-1.5B-HQ

Which one is better?

We have not tested Show-o2-1.5B-HQ ourselves yet. Neither is in the arena. Neither has an API price.

Same task, the first image of each.

Stable Diffusion 3.5 Medium: Typography and layout, first image from the fixed test run — Stable Diffusion 3.5 Medium17 out of 100

No image from the four fixed tasks for Show-o2-1.5B-HQ yet.This model does not yet have a complete GraduallyBench run.

Show-o2-1.5B-HQnot tested yet

Result for “Typography and layout”:only Stable Diffusion 3.5 Medium tested

Prompt given to both modelsCreate a square editorial poster for an imaginary night train called MONDFALTER. Show the exact German headline MONDFALTER and the exact subline BERLIN NACH LISSABON. Use a restrained midnight-blue and warm-cream palette, one stylized moth, strong Swiss-grid typography, generous negative space, and no additional words or logos.

What the rating looks at: Legible text, hierarchy, and composition.

“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.

Missing image run for Show-o2-1.5B-HQ

This model does not yet have a complete GraduallyBench run. Run the missing fixed tasks, archive the first output of each, and evaluate them blind.

The numbers at a glance

Arena ratingfrom votes by users · higher is better

n/a

Stable Diffusion 3.5 Medium

not in the arena

n/a

Show-o2-1.5B-HQ

not in the arena

GraduallyBenchour own rating, 0 to 100 · higher is better

16

Stable Diffusion 3.5 Medium

Rank 69 of 74

n/a

Show-o2-1.5B-HQ

not tested yet

Price per imagedollars through the API · lower is better

n/a

Stable Diffusion 3.5 Medium

no API price

n/a

Show-o2-1.5B-HQ

no API price

Ranks among the 22 image models with an arena rating and the 74 with a GraduallyBench run; prices compared with 28 models with an API price.

Stable Diffusion 3.5 Medium

Subscription: n/a No plan in Germany names exactly this model.
Via API: No API price known. Access: API, local.
License: Open weights.

Show-o2-1.5B-HQ

Subscription: n/a No plan in Germany names exactly this model.
Via API: No API price known. Access: local.
License: Open weights.

Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.

GraduallyBench from Nov 1, 2026 · Subscription database from Sep 29, 2026 (34 days old)

All data side by side

The better value is bold. For ratings only when the gap is clear.

Kennzahl	Stable Diffusion 3.5 Medium	Show-o2-1.5B-HQ
Ratings
Arena ratingfrom votes by users, higher is better	n/a	n/a
Arena rank	n/a	n/a
Arena votesmore votes, a safer rating	n/a	n/a
GraduallyBenchour own rating, 0 to 100	16	n/a
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition	17	n/a
Product photographyMaterials, reflections, and fine details	13	n/a
Character and detailAnatomy, clothing, and spatial consistency	16	n/a
InfographicNumbers, labels, and visual organization	20	n/a
API price
Per imagelower is better	n/a	n/a
100 images	n/a	n/a
Profile
Released	Oct 29, 2024	Jun 19, 2025
Weightsopen means: runs locally	open	open
Access	API, local	local
Parameters	2.5 billion	1.5 billion
Largest output	not consistently published	not consistently published
Plans in Germanynaming exactly this model	n/a	n/a

API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.

Sources: Stable Diffusion 3.5 Medium model source (verified Nov 1, 2026) · Show-o2-1.5B-HQ model source (verified Nov 1, 2026)

Arena ratings by category

From blind votes on LMArena. “Ahead” means the lead is clear.

No shared arena score in the stored snapshot

The stored benchmark database contains no measurement for Stable Diffusion 3.5 Medium and Show-o2-1.5B-HQ from the same arena and category. Older model versions are not used as substitutes.

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