Flux Ultra 1.1 vs GPT-Image 1.5
Interior design, staging, and property listings — see how these models compare with real AI-generated outputs.
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For real estate & interiors, image generation quality isn’t just about “looking good”—it’s about selling space. You need accurate room proportions, believable lighting, clean lines, and materials that read as premium in listing galleries, brochures, and social ads.
Flux Ultra 1.1 and GPT-Image 1.5 both create high-quality interior visuals from text prompts, but they differ in how they prioritize photorealism, detail, and control. Below is a practical comparison focused on interior design concepts, virtual staging, and property listing imagery—plus how their credit costs map to common real estate workflows.
Real Estate & Interiors — Side-by-Side Results
Prompt
"Wide-angle phone photo like an Instagram story in a beautifully staged modern living room (Zillow/Airbnb hero vibe): bright natural window light, clean neutral sofa, textured rug, indoor plants, minimalist art, tidy coffee table. A woman in her mid-20s with shoulder-length wavy brown hair, wearing a casual oversized beige sweater and leggings, stands near the edge of the frame holding her phone at chest height, looking just past the camera with a relaxed “showing you my new place” expression, mid-step like she’s about to sit down. Natural daylight only, slightly imperfect candid framing, realistic interior real-estate look (not cinematic, not editorial)."
Feature Comparison
| Feature | Flux Ultra 1.1 | GPT-Image 1.5 |
|---|---|---|
| Provider | Black Forest Labs | OpenAI |
| Subcategories | text-to-image | text-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | No | No |
| NSFW Rating | Strict | Strict |
| Aspect Ratio | 1:1, 16:9, 9:16, 3:4, 4:3, 21:9 | 1:1, 16:9, 9:16, 3:4, 4:3 |
| Starting Price | 16 credits | 8 credits |
Flux Ultra 1.1 Strengths
- Exceptional photorealism for listing-style interior shots (natural light, realistic shadows, crisp surfaces)
- Ultra-high detail rendering that helps materials feel tangible (wood grain, stone veining, fabric texture)
- Premium “hero image” output suited for cover photos, brochures, and high-end property marketing
- Strong performance on wide interior compositions where clarity across the whole room matters
- Consistent upscale look that elevates luxury condos, new builds, and designer staging concepts
GPT-Image 1.5 Strengths
- Strong prompt adherence for staging direction (specific furniture styles, color palettes, layout constraints)
- Versatile fidelity settings (low/medium/high) to match draft-to-final workflows and budgets
- Detailed multi-object scenes that follow instructions well (decor sets, art placement, accessory lists)
- Good for iterating multiple design options quickly (e.g., “Scandi vs. Modern Farmhouse vs. Japandi”)
- Flexible output for different listing needs—concept mockups, social variations, and A/B creative testing
Verdict
If your priority is premium, photorealistic “this could be a real listing photo” output—especially for luxury interiors or hero shots—Flux Ultra 1.1 is the stronger fit at a straightforward 16 credits per image.
If you need tighter control over instructions (specific staging rules, styles, and object lists) and want the option to scale cost by quality, GPT-Image 1.5 is often the more flexible choice with 8/16/32 credit tiers for draft, standard, and high-fidelity renders.
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