Nano Banana 2 uses Gemini 3.1 Flash Image, a closed, cloud-hosted model designed for natural-language image generation and editing. Start with a concrete instruction describing what to change and what to preserve; avoid unsupported claims that one prompt style always beats another model.
Recipe 1: The "Fix Hand" Instruction
Instead of masking and praying, tell the model what the hand is doing.
"Fix the right hand. The character should be holding a coffee cup. Ensure 5 fingers visible wrapping around the ceramic mug."Recipe 2: The Lighting Match Swap
When changing backgrounds, consistency is key.
"Change the background to a rainy cyberpunk street at night. CRITICAL: Update the lighting on the subject's face to match the neon blue and pink signs from the street."Recipe 3: Style Transfer (Without LoRA)
Gemini is smart enough to mimic styles without training.
"Redraw this image in the style of 1990s anime (Cel shaded, VHS grain). Keep the composition exactly the same."Recipe 4: The "Negative" Command
Negative prompts are implicit in instructions.
"Remove the crowd in the background. Replace them with empty chairs. Ensure the chairs cast shadows consistent with the sun."Recipe 5: Text Insertion
Nano Banana Pro is SOTA at typography.
"He is wearing a t-shirt that says 'NANO BANANA' in bold white helvetica font."Want more? Check our Full Prompt Database.