Gemini 2.5 Flash Image
Gemini 2.5 Flash Image vs Imagen 4 Ultra
Compare Gemini 2.5 Flash Image and Imagen 4 Ultra, both from Google AI, tested across 17 shared challenges. Updated February 2026.
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Gemini 2.5 Flash ImagevsImagen 4 Ultra
17 challenges
Why Gemini 2.5 Flash Image?
3 months newerAug 2025
Why Imagen 4 Ultra?
Nothing standout. It’s a close one.
12 / 17
Hyperrealistic Portraitimage generation
Tests an AI's ability to generate a photorealistic human portrait
Imagen 4 Ultra
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2 / 17
Futuristic Cityimage generation
Tests an AI's ability to create detailed architectural visualizations
Gemini 2.5 Flash Image
Imagen 4 Ultra
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3 / 17
Fantasy Character Designimage generation
Tests an AI's capability to design fantasy characters with specific details
Gemini 2.5 Flash Image
Imagen 4 Ultra
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4 / 17
Product Visualizationimage generation
Tests an AI's ability to create a marketing-ready product image
Gemini 2.5 Flash Image
Imagen 4 Ultra
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5 / 17
Illustrated Sceneimage generation
Tests an AI's ability to generate a stylized illustration
Gemini 2.5 Flash Image
Imagen 4 Ultra
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6 / 17
Corkboard Outfit Collageimage generation
Tests an AI's ability to create convincing mixed-media collages and product presentation
Gemini 2.5 Flash Image
Imagen 4 Ultra
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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
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
Vote
8 / 17
Fluid Dynamics Explainerimage generation
Tests an AI's ability to create a clear, diagrammatic scientific illustration with explanatory structure
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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9 / 17
Isometric Cutaway Homeimage generation
Tests spatial reasoning, perspective consistency, and detailed environment rendering
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
Vote
10 / 17
Packaging Shelf Mockupimage generation
Tests branding, packaging design, and photoreal retail context rendering
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
Vote
11 / 17
Botanical Scientific Plateimage generation
Tests fine detail, consistent linework, and vintage scientific illustration style
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
Vote
12 / 17
Imaginary Transit Mapimage generation
Tests graphic design, layout, and typography accuracy in a schematic map
Gemini 2.5 Flash Image
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
Vote
12 of 17
