FLUX Pro
FLUX Pro vs Stable Diffusion 3.5 Medium
Compare FLUX Pro by Black Forest Labs against Stable Diffusion 3.5 Medium by Stability AI, tested across 17 shared challenges. Updated February 2026.
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FLUX ProvsStable Diffusion 3.5 Medium
17 fights queued
12 / 17
Hyperrealistic Portraitimage generation
Tests an AI's ability to generate a photorealistic human portrait
Stable Diffusion 3.5 Medium
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2 / 17
Futuristic Cityimage generation
Tests an AI's ability to create detailed architectural visualizations
FLUX Pro
Stable Diffusion 3.5 Medium
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3 / 17
Fantasy Character Designimage generation
Tests an AI's capability to design fantasy characters with specific details
FLUX Pro
Stable Diffusion 3.5 Medium
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4 / 17
Product Visualizationimage generation
Tests an AI's ability to create a marketing-ready product image
FLUX Pro
Stable Diffusion 3.5 Medium
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5 / 17
Illustrated Sceneimage generation
Tests an AI's ability to generate a stylized illustration
FLUX Pro
Stable Diffusion 3.5 Medium
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6 / 17
Corkboard Outfit Collageimage generation
Tests an AI's ability to create convincing mixed-media collages and product presentation
FLUX Pro
Stable Diffusion 3.5 Medium
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7 / 17
Architectural Blueprint Sheetimage generation
Tests an AI's ability to render technical drawings with clean linework, scale, and legible annotations
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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8 / 17
Fluid Dynamics Explainerimage generation
Tests an AI's ability to create a clear, diagrammatic scientific illustration with explanatory structure
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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9 / 17
Isometric Cutaway Homeimage generation
Tests spatial reasoning, perspective consistency, and detailed environment rendering
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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10 / 17
Packaging Shelf Mockupimage generation
Tests branding, packaging design, and photoreal retail context rendering
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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11 / 17
Botanical Scientific Plateimage generation
Tests fine detail, consistent linework, and vintage scientific illustration style
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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12 / 17
Imaginary Transit Mapimage generation
Tests graphic design, layout, and typography accuracy in a schematic map
FLUX Pro
Nothing to show. The model went silent. Ominous.
Stable Diffusion 3.5 Medium
Nothing to show. The model went silent. Ominous.
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