Model Comparison

Flux 2 Pro vs Nano Banana Pro

Black Forest Labs' premium diffusion model versus Google's flagship Gemini 3 Pro accessed through FAL. Both represent the premium tier of image generation, but at vastly different price points. This comparison helps you decide when the 5x cost difference is justified.

Comparison8 min read
Background

Premium Quality at Different Price Points

Flux 2 Pro is Black Forest Labs' flagship commercial model, built by the team behind Stable Diffusion. It delivers excellent photorealism with natural lighting, coherent compositions, and reliable quality at a standard price point. It has earned an ELO rating around 1170, placing it firmly in the top tier of image generation models.

Nano Banana Pro provides access to Google's Gemini 3 Pro image generation through FAL's infrastructure. With an ELO rating of approximately 1222, it currently ranks among the highest-quality models available. At roughly 5x the cost of Flux 2 Pro at standard resolutions, the premium pricing reflects measurable quality differences in benchmark comparisons.

The ELO gap of roughly 50 points between these models represents a meaningful quality difference in blind comparisons. Nano Banana Pro tends to produce images with more refined details, better text rendering, and more natural-looking photographs. However, whether that difference justifies the 5x price premium depends entirely on your use case and quality requirements.

For high-volume production work where Flux 2 Pro's quality meets your standards, the cost savings are substantial. For hero images, premium marketing materials, or situations where maximum quality directly impacts business outcomes, Nano Banana Pro's superior output may be worth the investment.

Tip: Consider a tiered approach: use Flux 2 Pro for draft iterations and high-volume content, then switch to Nano Banana Pro for final hero images where maximum quality matters. This strategy captures the best of both models while managing costs.

Side by Side

Visual Comparison

Compare outputs from both models using identical prompts. Observe differences in detail rendering, lighting accuracy, and overall image quality across various subject types.

PromptFlux 2 ProNano Banana Pro
Portrait PhotographyClose-up portrait of an elderly craftsman with weathered hands and kind eyes, natural window light creating soft shadows, documentary photography style
Flux 2 Pro - Portrait Photography
Model: flux-2-pro
Close-up portrait of an elderly craftsman with weathered hands and kind eyes, natural window light creating soft shadows, documentary photography style
Nano Banana Pro - Portrait Photography
Model: nano-banana-pro
Close-up portrait of an elderly craftsman with weathered hands and kind eyes, natural window light creating soft shadows, documentary photography style
Product PhotographyLuxury perfume bottle on a reflective black surface, dramatic rim lighting highlighting the glass facets, high-end cosmetics advertisement style
Flux 2 Pro - Product Photography
Model: flux-2-pro
Luxury perfume bottle on a reflective black surface, dramatic rim lighting highlighting the glass facets, high-end cosmetics advertisement style
Nano Banana Pro - Product Photography
Model: nano-banana-pro
Luxury perfume bottle on a reflective black surface, dramatic rim lighting highlighting the glass facets, high-end cosmetics advertisement style
Architectural SceneContemporary art museum interior with soaring white walls and dramatic skylights, visitors silhouetted against natural light, architectural photography
Flux 2 Pro - Architectural Scene
Model: flux-2-pro
Contemporary art museum interior with soaring white walls and dramatic skylights, visitors silhouetted against natural light, architectural photography
Nano Banana Pro - Architectural Scene
Model: nano-banana-pro
Contemporary art museum interior with soaring white walls and dramatic skylights, visitors silhouetted against natural light, architectural photography
Food PhotographyArtisan chocolate truffles arranged on a slate board with cocoa powder dust, macro photography with shallow depth of field, Michelin star restaurant quality
Flux 2 Pro - Food Photography
Model: flux-2-pro
Artisan chocolate truffles arranged on a slate board with cocoa powder dust, macro photography with shallow depth of field, Michelin star restaurant quality
Nano Banana Pro - Food Photography
Model: nano-banana-pro
Artisan chocolate truffles arranged on a slate board with cocoa powder dust, macro photography with shallow depth of field, Michelin star restaurant quality
Nature DetailMorning dew on a spider web between autumn leaves, golden hour backlight creating prismatic effects on water droplets, macro nature photography
Flux 2 Pro - Nature Detail
Model: flux-2-pro
Morning dew on a spider web between autumn leaves, golden hour backlight creating prismatic effects on water droplets, macro nature photography
Nano Banana Pro - Nature Detail
Model: nano-banana-pro
Morning dew on a spider web between autumn leaves, golden hour backlight creating prismatic effects on water droplets, macro nature photography

New to ImageGPT?

ImageGPT provides access to both Flux 2 Pro and Nano Banana Pro through a single API. Choose premium quality or maximum quality based on each project's requirements. Start with a 7-day free trial.

Recommendations

When to Use Each Model

Choose based on your quality requirements, budget constraints, and the visibility of the final output.

Nano Banana Pro

  • Hero images for marketing campaigns
  • High-stakes client deliverables
  • Print-quality advertising materials
  • Projects where quality directly affects revenue
  • Final versions after draft iterations

Flux 2 Pro

  • High-volume production workflows
  • Draft iterations and concept exploration
  • Projects with tight budget constraints
  • Image-to-image refinement workflows
  • Content where excellent (not maximum) quality suffices
Deep Dive

Fine Detail Rendering

Comparing how each model handles intricate details that separate good from exceptional images.

Flux 2 Pro
"Extreme close-up of a peacock feather showing iridescent eye..."
Flux 2 Pro result
Model: flux-2-pro
Extreme close-up of a peacock feather showing iridescent eye pattern, individual barbs visible, dramatic macro photography with studio lighting revealing color gradients
Nano Banana Pro
"Extreme close-up of a peacock feather showing iridescent eye..."
Nano Banana Pro result
Model: nano-banana-pro
Extreme close-up of a peacock feather showing iridescent eye pattern, individual barbs visible, dramatic macro photography with studio lighting revealing color gradients

Peacock feathers present a challenging test case: their iridescent colors shift with viewing angle, the intricate barb structure requires precise rendering, and the eye pattern must maintain symmetry while appearing natural. This subject reveals differences in how each model handles complex natural patterns.

In our testing, Nano Banana Pro consistently rendered finer structural detail in the barbs and more convincing iridescence in the color transitions. Flux 2 Pro produced compelling images with good color and structure, but close examination often revealed slightly less defined barb separation and less nuanced color gradients. For most viewing contexts, both images would satisfy; for applications requiring maximum detail fidelity, Nano Banana Pro showed a visible advantage.

Deep Dive

Portrait Photorealism

Testing the subtle qualities that make portrait photographs convincing.

Flux 2 Pro
"Environmental portrait of a jazz musician in a dimly lit clu..."
Flux 2 Pro result
Model: flux-2-pro
Environmental portrait of a jazz musician in a dimly lit club, saxophone in hands, warm tungsten lighting mixing with cool blue accents, shallow depth of field, editorial portrait style
Nano Banana Pro
"Environmental portrait of a jazz musician in a dimly lit clu..."
Nano Banana Pro result
Model: nano-banana-pro
Environmental portrait of a jazz musician in a dimly lit club, saxophone in hands, warm tungsten lighting mixing with cool blue accents, shallow depth of field, editorial portrait style

Portrait photography under challenging lighting conditions tests a model's understanding of how skin responds to mixed color temperatures, how eyes reflect ambient light sources, and how depth of field interacts with environmental elements. The dimly lit jazz club scenario adds complexity with its warm-cool color contrast.

Both models handled this scenario well, but Nano Banana Pro tended to produce more natural skin tones under the mixed lighting and more convincing catchlights in the subject's eyes. Flux 2 Pro occasionally rendered skin with slightly more uniform tones than typical for complex lighting situations. For premium portrait work where lighting nuance matters, Nano Banana Pro's advantage becomes meaningful.

Deep Dive

Text Rendering Quality

Comparing how each model handles text that must be legible in the final image.

Flux 2 Pro
"Vintage vinyl record store interior with hand-painted signs ..."
Flux 2 Pro result
Model: flux-2-pro
Vintage vinyl record store interior with hand-painted signs reading 'JAZZ' and 'BLUES' above different sections, warm afternoon light through dusty windows, nostalgic atmosphere
Nano Banana Pro
"Vintage vinyl record store interior with hand-painted signs ..."
Nano Banana Pro result
Model: nano-banana-pro
Vintage vinyl record store interior with hand-painted signs reading 'JAZZ' and 'BLUES' above different sections, warm afternoon light through dusty windows, nostalgic atmosphere

Environmental text presents unique challenges: the letters must be legible while integrating naturally with the scene's atmosphere, lighting, and aging. This prompt tests whether each model can render readable signage while maintaining the nostalgic, lived-in quality of a vintage record store.

Nano Banana Pro showed notably better text accuracy, with letters more consistently formed and legible even when partially shadowed or weathered by the scene's aging effects. Flux 2 Pro sometimes produced less precise letter forms or introduced minor inconsistencies. Neither model rivals dedicated text specialists like Ideogram V3, but for environmental signage where character is more important than precision, Nano Banana Pro's text rendering advantage is visible.

Note: For text that must be perfectly legible, consider text-specialized models like Ideogram V3. Both Flux 2 Pro and Nano Banana Pro work best when text is atmospheric rather than critical.

Deep Dive

Reflective Surface Accuracy

Testing how each model renders complex light behavior on shiny materials.

Flux 2 Pro
"Close-up of a vintage car hood ornament, chrome reflecting s..."
Flux 2 Pro result
Model: flux-2-pro
Close-up of a vintage car hood ornament, chrome reflecting surrounding environment and sky, morning dew droplets on polished metal, automotive detail photography
Nano Banana Pro
"Close-up of a vintage car hood ornament, chrome reflecting s..."
Nano Banana Pro result
Model: nano-banana-pro
Close-up of a vintage car hood ornament, chrome reflecting surrounding environment and sky, morning dew droplets on polished metal, automotive detail photography

Chrome and polished metal test a model's understanding of how reflective surfaces interact with their environment. The reflections must show coherent environmental mapping, the metal must exhibit appropriate specularity, and water droplets must refract and reflect light convincingly.

In this test, Nano Banana Pro typically produced more physically accurate reflections with coherent environmental detail visible in the chrome surfaces. The water droplets showed more convincing light refraction. Flux 2 Pro rendered attractive images with good metallic quality, but reflections sometimes appeared less coherent or showed less environmental detail. For automotive photography or product shots with reflective materials, Nano Banana Pro's advantage becomes relevant.

Deep Dive

Value and Use Case Alignment

Understanding when each model's price-to-quality ratio makes sense.

Flux 2 Pro: Standard pricing
"Lifestyle photography of a cozy reading corner, warm lamp li..."
Flux 2 Pro: Standard pricing result
Model: flux-2-pro
Lifestyle photography of a cozy reading corner, warm lamp light on open book and steaming tea, soft knit blanket, hygge atmosphere, interior design magazine style
Nano Banana Pro: ~5x premium
"Lifestyle photography of a cozy reading corner, warm lamp li..."
Nano Banana Pro: ~5x premium result
Model: nano-banana-pro
Lifestyle photography of a cozy reading corner, warm lamp light on open book and steaming tea, soft knit blanket, hygge atmosphere, interior design magazine style

Lifestyle and interior photography represents a common commercial use case where both models produce professional results. The question becomes: does the quality difference visible in demanding test cases translate to meaningful differences in this type of everyday content?

For many lifestyle images, the quality gap narrows. Both models produce warm, inviting atmospheres with convincing materials and lighting. The 5x cost difference becomes harder to justify for high-volume content where Flux 2 Pro's excellent quality meets professional standards. Reserve Nano Banana Pro for the images that matter most—hero shots for campaigns, premium client deliverables, or situations where the marginal quality improvement translates to measurable business impact.

Tip: A practical workflow: generate initial concepts and drafts with Flux 2 Pro, then regenerate selected final images with Nano Banana Pro. This captures maximum quality where it matters while keeping costs manageable.

Specifications

Feature Comparison

Technical specifications and capabilities for both models.

FeatureFlux 2 ProNano Banana Pro
Release20252025
ArchitectureFLUX.2 DiffusionGemini 3 Pro (via FAL)
CreatorBlack Forest LabsGoogle (via FAL)
Image qualityExcellentBest-in-class
Text renderingGoodExcellent
PhotorealismExcellentBest-in-class
Generation speed~6s~8s
Cost per imageStandard tier~5x higher (flat rate)
Image input support
Aspect ratio options5 ratios10 ratios
Resolution optionsStandard1K or 2K
Output formatsJPEG, PNGJPEG, PNG, WebP
ELO rating~1170~1222
Best forPremium workMaximum quality
Try It Yourself

Try Flux 2 Pro

Try Flux 2 Pro with your own prompts. Generate images and compare the results. Test demanding subjects like portraits, reflective surfaces, or text to see where quality differences become visible.

Generated visual
https://demo.staging.imagegpt.host/image?prompt=A+luxury+watch+photographed+on+polished+black+marble%2C+dramatic+side+lighting+creating+golden+reflections+on+the+metal+case%2C+shallow+depth+of+field%2C+high-end+product+photography&model=flux-2-pro

Frequently Asked Questions

Premium or flagship quality.
Match the model to the moment.