Nano Banana 2: AI Image Generator

Generate images with Nano Banana 2 — fast, high-fidelity output combining speed with 4K resolution and strong character consistency. Describe any scene and get a polished image in seconds. Try free — pay per generation, no subscription.

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Overview

About this model

Nano Banana 2 — Google's Cutting-Edge Gemini 3.1 Flash AI Image Model

Nano Banana 2, technically known as Gemini 3.1 Flash Image, represents the pinnacle of Google's AI image generation technology. As a flagship text-to-image model, it merges the depth of Pro models with the lightning speed of Flash variants. This model introduces Revolutionary Character Consistency, allowing creators to maintain perfect facial features, clothing, and styling for consistent storytelling. With support for high-fidelity 4K resolution, precise advanced text rendering, and deep Google AI integration, Nano Banana 2 is optimized for professional commercial workflows, digital art, and immersive visual branding.

1Consistent Character Design: Maintain perfect visual identity for up to 5 characters in a series.
2High-Fidelity Commercial Graphics: Production-ready product shots with accurate, legible brand text.
3Cinematic Concept Art: Prompt-driven scene construction with stunning 4K detail and spatial reasoning.
4Marketing Collateral: Rapid generation of diverse visual assets with consistent brand attributes.
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Pricing & Value

Cost analysis

muapiapp$0.06 (1k) | $0.09 (2k) | $0.12 (4k)

muapiapp provides the most competitive pricing for high-resolution Google AI generation, saving users up to 25% compared to other providers.

Competitors$0.08 (1k) | $0.12 (2k) | $0.16 (4k)

Standard industry rates are typically 25% higher for the same level of resolution and quality provided by the Gemini 3.1 Flash architecture.

* Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

Text prompt describing the desired image content.

Default ValueA playful, vibrant fruit market scene with bright natural lighting and rich colors. In the center, giant bananas are arranged carefully to form bold, physical letters, stacked and curved naturally, with realistic texture, yellow peel details, and soft shadows on the ground. The bananas look fresh, glossy, and dimensional, like real objects sculpted into typography. The camera angle is slightly low and centered to make the text feel large and dominant. The banana-formed letters clearly spell: Nano Banana 2 Ultra-realistic detail, cinematic lighting, sharp focus, fun and memorable composition, highly readable fruit typography, premium poster-style presentation where the name itself is the main visual element.
Aspect RatioEnum (15 options)

The aspect ratio of the generated image.

Default Value1:1
Google Searchboolean

Whether to use Google Search for prompt enhancement.

Default Valuefalse
ResolutionEnum (3 options)

The resolution of the generated image.

Default Value1k
Output FormatEnum (2 options)

The format of the output image.

Default Valuejpg
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Implementation Guide

Developer documentation

How to Use Nano-Banana-2

  1. Define Your Subject: Use detailed descriptions for characters or products you want to remain consistent across multiple generations.
  2. Set High Resolution: Leverage the model's capability for 512px up to 4K output for professional-grade results.
  3. Incorporate Text: Craft prompts with specific signage or brand names; the model excels at precise, context-aware text rendering.
  4. Refine with Prompting: Utilize the model's advanced instruction-following to iterate on complex spatial relationships and styles.

Common Questions

Frequently asked

What makes Nano Banana 2 different from other models?

It is Google's latest Gemini 3.1 Flash Image model, offering a unique balance of extreme speed, 4K resolution, and industry-leading character consistency.

How does Character Consistency work?

It uses advanced latent space tracking to preserve facial features, clothing, and unique identifiers across a sequence of generated images.

What resolutions are supported?

The model supports high-fideity generation from 512px up to native 4K across all standard aspect ratios.