Nano Banana Pro
Maximum quality. Deep reasoning. Up to 4K.
Built on Google's Gemini 3 Pro Image architecture, Nano Banana Pro is the premium model in the Nano Banana family. It reasons about composition, lighting, and spatial relationships through a multi-step evaluation loop before rendering. Supports up to 14 reference images, maintains character consistency across 5 people, and generates natively at 4K. Web grounding lets it pull real-time context from Google Search into your generations.
Example outputs
“A luxury penthouse living room at dusk, floor-to-ceiling windows overlooking a city skyline, warm ambient lighting, photorealistic”
“A matte black electric SUV concept with original fictional design, no real brand, angular bodywork, desert landscape, dramatic side lighting, editorial automotive photography”
“Character concept art: a heavily armoured paladin in a cathedral doorway, dramatic rim lighting, intricate plate detail, painterly style”
“A premium skincare product range with elegant label typography reading 'VOSS' on each bottle, marble surface, soft diffused studio lighting, clean editorial composition”
“An exhibition stand for a luxury watch brand: dark timber and brass materials, spotlit display cases, architectural render quality”
“A mobile banking app interface displayed on a phone, clean card-based UI with charts and transaction history, light mode”
How it works
Describe your vision
Type a detailed prompt or upload a reference sketch, photo, or mood board.
Choose your settings
Pick your resolution and aspect ratio. See the credit cost before you generate.
Generate in seconds
Your image is delivered in seconds. Download, iterate, or pipe into video.
Ready to create with Nano Banana Pro?
Jump into the Studio and start generating. Plans from £10/month.
Choose a PlanPremium AI image generation with deep reasoning.
Nano Banana Pro is the heavyweight in the Nano Banana family. Built on Google's Gemini 3 Pro Image architecture, it combines a multimodal reasoning engine with pixel synthesis to produce images that genuinely understand your intent. It does not match keywords to patterns. It reasons about what you are describing before committing a single pixel.
What sets it apart from faster models is depth. Nano Banana Pro runs a multi-step plan, evaluate, and improve loop for every generation. It checks spatial relationships, validates text character by character, and verifies that quantities match your prompt. For design professionals, this means fewer wasted generations and output that holds up under scrutiny.
The model accepts up to 14 reference images per generation: sketches, site photos, material samples, mood boards. It treats these as genuine creative context, not style overlays. Combined with web grounding (real-time Google Search integration), it produces images informed by both your references and current visual trends.
4K native output
Generates at true 4K resolution natively, not upscaled. Across 10+ aspect ratios from ultra-wide 21:9 to 9:16 portrait. Every pixel is generated, not interpolated.
Character and object consistency
Maintains identity for up to 5 people across generations. Feed it reference photos and it preserves facial features, clothing, and proportions. Ideal for character concept art, storyboarding, character sheets, and multi-angle product visualisation.
When to choose Pro over Nano Banana 2
Use Pro for hero images, final client presentations, complex multi-element compositions, and anything requiring maximum fidelity. Use Nano Banana 2 for rapid iteration and concept exploration at lower cost. Both models share the same architecture. Pro gives it more time to think.
Questions about Nano Banana Pro.
Why Stensyl?
A small indie studio building creative tools the way they should be built. No VC theatre, no funnel games, no faceless support.
Ready to create with Nano Banana Pro?
Professional image generation. Plans from £10/month.