Flux 2 vs Nano Banana Pro
Buildings, facades, and architectural visualization — see how these models compare with real AI-generated outputs.
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Choosing the right image model for Architecture & Exterior work often comes down to two priorities: how convincingly it renders building geometry/materials and how efficiently you can iterate on facades, streetscapes, and exterior concepts. Flux 2 and Nano Banana Pro both generate high-quality architectural visuals, but they excel in different parts of the workflow.
This comparison focuses on exterior architecture use cases—buildings, facades, architectural visualization, signage, and marketing imagery—including resolution options, editing flexibility, text handling, and credit cost at common output sizes.
Architecture & Exterior — Side-by-Side Results
Prompt
"A candid phone-camera wide selfie of a 20s woman with shoulder-length dark hair in a casual hoodie, straight-leg jeans, and white sneakers, standing on a city sidewalk and glancing near the camera while pointing behind her at a striking modern glass-and-concrete building with strong leading lines and a dramatic angled façade. Golden hour sunlight hits the exterior, creating warm reflections in the windows, with light street activity and café signage in the background for an authentic “walking to coffee” vibe. Natural lighting, slight handheld motion blur, everyday influencer Instagram story feel—architectural exterior is the main subject but she’s clearly in-frame and approachable."
Feature Comparison
| Feature | Flux 2 | Nano Banana Pro |
|---|---|---|
| Provider | Black Forest Labs | Google (Gemini 3 Pro) |
| Subcategories | text-to-image, image-to-image | text-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | Yes | Yes |
| NSFW Rating | Low | Medium |
| Aspect Ratio | 1:1, 16:9, 9:16, 3:4, 4:3 | 1:1, 16:9, 9:16, 3:4, 4:3 |
| Model Variant | Standard, Klein 9B | 1K, 2K, 4K |
| Starting Price | 22 credits | 22 credits |
Flux 2 Strengths
- Strong iteration workflow for exterior concepts with image-to-image editing and versatile inpainting/outpainting for facade revisions
- LoRA support enables consistent architectural styles (e.g., modernist glass towers, Mediterranean stucco, brutalism) across a series of exterior shots
- Up to 4MP output is well-suited for concept boards and mid-to-high detail facade studies at a predictable per-image cost
- Style transfer helps match exterior renders to a reference mood (golden hour, overcast, cinematic dusk) while keeping the same building massing
- Face-swap support can be useful when exteriors include people for scale and lifestyle context (where appropriate)
Nano Banana Pro Strengths
- Industry-leading text rendering for exterior signage, storefront typography, wayfinding, and billboards—useful for architectural marketing comps
- Multimodal understanding helps when you need the model to follow visual cues from references (materials, facade rhythm, streetscape context) in a prompt-driven workflow
- Up to 4K resolution supports sharper presentation outputs for exterior hero images, large-format mockups, and detailed facade close-ups
- Marketing-grade polish tends to produce clean, client-ready exterior visuals with less post-processing in many scenarios
- Flexible size-based pricing (1K/2K/4K) lets you choose lower-res drafts or high-res finals depending on the stage of the architectural workflow
Verdict
Flux 2 is the better fit for architecture teams that prioritize editing control and style consistency—especially when you need to iterate on facade elements (windows, cladding patterns, massing) or maintain a recognizable look across multiple exterior views using LoRA.
Nano Banana Pro is the stronger choice when your exterior visuals must include accurate readable text (signage/branding) and when you want high-resolution, presentation-ready architectural imagery—particularly at 4K, where it’s positioned as a premium final-output option.
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