Imagen 3 Fast
Imagen 3 Fast vs Imagen 4 Ultra
Compare Imagen 3 Fast and Imagen 4 Ultra, both from Google AI, tested across 17 shared challenges. Updated February 2026.
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Imagen 3 FastvsImagen 4 Ultra
17 challenges
Why Imagen 3 Fast?
Nothing standout. It’s a close one.
Why Imagen 4 Ultra?
3 months newerMay 2025
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
Imagen 3 Fast
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
Imagen 3 Fast
Imagen 4 Ultra
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4 / 17
Product Visualizationimage generation
Tests an AI's ability to create a marketing-ready product image
Imagen 3 Fast
Imagen 4 Ultra
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5 / 17
Illustrated Sceneimage generation
Tests an AI's ability to generate a stylized illustration
Imagen 3 Fast
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
Imagen 3 Fast
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
Imagen 3 Fast
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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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
Imagen 3 Fast
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
Imagen 3 Fast
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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10 / 17
Packaging Shelf Mockupimage generation
Tests branding, packaging design, and photoreal retail context rendering
Imagen 3 Fast
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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11 / 17
Botanical Scientific Plateimage generation
Tests fine detail, consistent linework, and vintage scientific illustration style
Imagen 3 Fast
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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12 / 17
Imaginary Transit Mapimage generation
Tests graphic design, layout, and typography accuracy in a schematic map
Imagen 3 Fast
Nothing to show. The model went quiet.
Imagen 4 Ultra
Nothing to show. The model went quiet.
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12 of 17
