FLUX Schnell
FLUX Schnell vs GPT Image 1.5
Compare FLUX Schnell by Black Forest Labs against GPT Image 1.5 by OpenAI, tested across 17 shared challenges. Updated February 2026.
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FLUX SchnellvsGPT Image 1.5
17 challenges
Why FLUX Schnell?
No standout advantages
Why GPT Image 1.5?
17 months newerDec 2025
12 / 17
Hyperrealistic Portraitimage generation
Tests an AI's ability to generate a photorealistic human portrait
GPT Image 1.5
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2 / 17
Futuristic Cityimage generation
Tests an AI's ability to create detailed architectural visualizations
FLUX Schnell
GPT Image 1.5
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3 / 17
Fantasy Character Designimage generation
Tests an AI's capability to design fantasy characters with specific details
FLUX Schnell
GPT Image 1.5
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4 / 17
Product Visualizationimage generation
Tests an AI's ability to create a marketing-ready product image
FLUX Schnell
GPT Image 1.5
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5 / 17
Illustrated Sceneimage generation
Tests an AI's ability to generate a stylized illustration
FLUX Schnell
GPT Image 1.5
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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 Schnell
GPT Image 1.5
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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 Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
Vote
8 / 17
Fluid Dynamics Explainerimage generation
Tests an AI's ability to create a clear, diagrammatic scientific illustration with explanatory structure
FLUX Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
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9 / 17
Isometric Cutaway Homeimage generation
Tests spatial reasoning, perspective consistency, and detailed environment rendering
FLUX Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
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10 / 17
Packaging Shelf Mockupimage generation
Tests branding, packaging design, and photoreal retail context rendering
FLUX Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
Vote
11 / 17
Botanical Scientific Plateimage generation
Tests fine detail, consistent linework, and vintage scientific illustration style
FLUX Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
Vote
12 / 17
Imaginary Transit Mapimage generation
Tests graphic design, layout, and typography accuracy in a schematic map
FLUX Schnell
No content available for this output.
GPT Image 1.5
No content available for this output.
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12 of 17