FLUX [Pro] Ultra

Generate roughly four-megapixel images with Flux Pro Ultra on RunDiffusion. Compare image sizes, use seed controls, and follow the launch walkthrough.

Start prompting above, or click on an image below to start generating with FLUX [Pro] Ultra

A micro-urban coworking pod fabricated from hempcrete panels, translucent aerogel glazing, and a photovoltaic canopy. Interiors include recycled-rubber flooring, modular plug-and-play partitions, and balanced daylight via prismatic diffusers. Shot in midday city ambient, street-level side angle.
PROMPT

"A micro-urban coworking pod fabricated from hempcrete panels, translucent aerogel glazing, and a photovoltaic canopy. Interiors include recycled-rubber flooring, modular plug-and-play partitions, and balanced daylight via prismatic diffusers. Shot in midday city ambient, street-level side angle."

A monumental cultural center composed of layered concrete terraces and expansive glass walls, unfolding along a waterfront promenade and designed in a contemporary architectural visualization style with dramatic light and shadow interplay. The structure is set at dusk, with warm interior illumination contrasting against cool exterior tones and reflections rippling across the water. The surrounding context includes a wide public plaza, minimalist landscaping, and small human figures for scale, while secondary details such as textured concrete surfaces, cantilevered volumes, and atmospheric sky gradients reinforce a bold, cinematic architectural presence.
PROMPT

"A monumental cultural center composed of layered concrete terraces and expansive glass walls, unfolding along a waterfront promenade and designed in a contemporary architectural visualization style with dramatic light and shadow interplay. The structure is set at dusk, with warm interior illumination contrasting against cool exterior tones and reflections rippling across the water. The surrounding context includes a wide public plaza, minimalist landscaping, and small human figures for scale, while secondary details such as textured concrete surfaces, cantilevered volumes, and atmospheric sky gradients reinforce a bold, cinematic architectural presence."

A neo-formal menswear set with chalk-striped alpaca-wool, high-gorge lapels, bisected vent geometry, and basted-edge finishing. Shot in soft Rembrandt lighting, waist-up turned profile.
PROMPT

"A neo-formal menswear set with chalk-striped alpaca-wool, high-gorge lapels, bisected vent geometry, and basted-edge finishing. Shot in soft Rembrandt lighting, waist-up turned profile."

A floating performance stage built atop modular pontoons, acoustic wind baffles, and retractable lighting masts. Interiors (backstage) use anti-slip coatings, adjustable rigging, and underwater ballast control. Captured in sunset ripple reflections, distant panoramic viewpoint.
PROMPT

"A floating performance stage built atop modular pontoons, acoustic wind baffles, and retractable lighting masts. Interiors (backstage) use anti-slip coatings, adjustable rigging, and underwater ballast control. Captured in sunset ripple reflections, distant panoramic viewpoint."

A high-latitude research terminal constructed with vacuum-insulated façade panels, snow-drift deflectors, and heliotropic skylight louvers that rotate to capture low-angle winter sun. Interiors feature anti-static epoxy floors, radiant wall panels, and dimmable circadian luminaires. Shot in polar twilight, ¾ elevated angle, highlighting thermal engineering.
PROMPT

"A high-latitude research terminal constructed with vacuum-insulated façade panels, snow-drift deflectors, and heliotropic skylight louvers that rotate to capture low-angle winter sun. Interiors feature anti-static epoxy floors, radiant wall panels, and dimmable circadian luminaires. Shot in polar twilight, ¾ elevated angle, highlighting thermal engineering."

A rainforest observatory floating on braided bamboo pontoons, with humidity-permeable wall screens, biogenic resin trusses, and water-harvest gutters. Interiors include woven rush mats, soft uplight baskets, and botanical shelving niches. Captured in misty canopy light, slightly elevated drone angle.
PROMPT

"A rainforest observatory floating on braided bamboo pontoons, with humidity-permeable wall screens, biogenic resin trusses, and water-harvest gutters. Interiors include woven rush mats, soft uplight baskets, and botanical shelving niches. Captured in misty canopy light, slightly elevated drone angle."

An experimental couture dress crafted from laminated silk films, thermo-molded into wave fractals, supported by fine titanium ribs hidden beneath the bodice. Photographed in mirror-splash lighting, fast-turn runway angle, emphasizing dynamic reflectivity.
PROMPT

"An experimental couture dress crafted from laminated silk films, thermo-molded into wave fractals, supported by fine titanium ribs hidden beneath the bodice. Photographed in mirror-splash lighting, fast-turn runway angle, emphasizing dynamic reflectivity."

A valley amphitheater shaped with river-stone gabion walls, recessed audio trenches, and a tensile shade membrane responsive to wind load. Interiors (backstage) include plywood fly towers, dimmable lamp grids, and resin-coated prep floors. Shot in sunrise cross-light, ascending seating perspective.
PROMPT

"A valley amphitheater shaped with river-stone gabion walls, recessed audio trenches, and a tensile shade membrane responsive to wind load. Interiors (backstage) include plywood fly towers, dimmable lamp grids, and resin-coated prep floors. Shot in sunrise cross-light, ascending seating perspective."

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Flux Pro Ultra brings FLUX1.1 [pro] Ultra to RunDiffusion for text-to-image work at roughly four-megapixel resolution. It suits architectural concepts, product scenes, and editorial images that need room to inspect surface detail, lighting, and composition.

Editorial concept art created with Flux Pro Ultra

Choose it when output size matters for a presentation, a closer crop, or a detailed visual study. More pixels give you room to examine the result; they do not guarantee correct dimensions, product geometry, or readable text. Review those details before using an image in client work.

Using RunDiffusion, creators can access Flux Pro Ultra directly from the platform without needing local GPUs or complicated setup.


What Flux Pro Ultra Is Used For

Choose Flux Pro Ultra for visual studies where a large output helps you review the result:

  • Architecture and interiors: compare material, lighting, and atmosphere concepts, then review structural details.
  • Product imagery: explore surfaces, backgrounds, and lighting while checking product shapes and labels.
  • Editorial and concept art: compose detailed scenes for presentation layouts and closer crops.
Promotional visual concept created with Flux Pro Ultra

Flux Pro Ultra Image Sizes and Seed

The current RunDiffusion tool provides five Ultra image sizes. Choose the frame that matches the intended layout before generating:

Use 1:1 for square layouts, 3:4 or 9:16 for portrait formats, and 4:3 or 16:9 for landscape compositions.

  • Square 1:1: 2048 × 2048 pixels.
  • Portrait 3:4: 1792 × 2368 pixels.
  • Portrait 9:16: 1536 × 2752 pixels.
  • Landscape 4:3: 2368 × 1792 pixels.
  • Landscape 16:9: 2752 × 1536 pixels.
Photoreal artist portrait created with Flux Pro Ultra

Advanced settings include Random and Custom seed options. Use Random to explore variations. For controlled comparisons, keep a Custom seed and the image size fixed while adjusting one part of the prompt. A fixed seed supports comparison; it does not guarantee identical output if other settings or the model change.

For the complete launch and prompting walkthrough, read Flux Pro Ultra on RunDiffusion.


Launch Flux Pro Ultra

You can launch the Flux Pro Ultra tool directly from RunDiffusion.

Explore all AI models on RunDiffusion in the full platform guide.