Nano Banana 2 Model Reference

Google's latest state-of-the-art AI image generation and photo editing model (Gemini 3.1 Flash Image). Delivers Pro-level reasoning, subject/character consistency, accurate text rendering, and production-ready 4K visuals at Flash speed.

ProviderGoogle
Inputstext, image
Outputsimage

Generation settings

Settings recorded in the model reference. Availability and combinations vary by provider, endpoint, and mode.

aspect ratio

16:9 / 9:16 / 1:1 / 4:3 / 3:4

style

photorealistic / cinematic / illustration / artistic / product / none

seed

Optional

quality

fast / balanced / pro

Nano Banana 2

Overview

Nano Banana 2 is Google's flagship image generation and editing model, powered by Gemini 3.1 Flash. Released in February 2026, it combines the advanced visual reasoning, world knowledge, and consistency of Nano Banana Pro with the lightning-fast performance of the Flash tier. It is accessible directly in the Gemini app via the "🍌Create images" tool and supports both text-to-image generation and image-to-image editing.

Key Strengths

  • Speed + Quality: Generates high-fidelity images (native 2K, up to 4K) significantly faster than Pro models while retaining near-Pro visual intelligence.
  • Advanced Reasoning: Built-in "Thinking" mode for complex scene planning, cultural awareness, and precise prompt interpretation.
  • Consistency & Control: Excellent subject/character consistency (up to 5 characters, 14+ objects), style adherence, and reliable image editing.
  • Text Rendering: Produces highly accurate, legible text in 100+ languages — a major leap over previous models.
  • Production-Ready: Ideal for high-volume workflows, product mockups, ad variations, campaigns, and professional creative pipelines.
  • Editing Power: Upload any photo and edit via text prompts with strong spatial understanding and physics-aware lighting.

Limitations

  • No Native Video: Pure image model (video features require separate models or post-processing).
  • Access Tiered: Full "Pro" capabilities and higher limits require Google AI Pro/Plus/Ultra subscription; free tier has daily quotas.
  • Prompt Sensitivity: Extremely detailed or contradictory prompts may still produce minor artifacts (though far fewer than earlier models).
  • Resolution Trade-offs: Optimal speed at 2K; 4K upscaling is available but slightly slower.

How to Write Prompts for Nano Banana 2

Nano Banana 2 excels with clear, structured, descriptive prompts. Use the "Thinking" mode for complex scenes.

  • Basic Structure: [Subject] + [Action/Scene] + [Environment & Lighting] + [Style & Quality] + [Camera/Composition].
  • Editing Prompts: Start with "Edit this image to..." or simply describe changes after uploading.
  • Emphasis: Use parentheses for weighting, e.g., (dramatic cinematic lighting:1.4).
  • Negative Prompts: Supported in most interfaces — use for artifacts: "blurry, deformed, low resolution, text errors, artifacts, watermark".
  • Advanced Tips:
    • Reference real-world knowledge: "in the style of Studio Ghibli" or "photorealistic product shot for Apple Vision Pro".
    • Lock consistency: Upload reference images for characters/objects.
    • Iterate quickly: Use the same seed or regenerate with slight prompt tweaks.

Example Prompts:

  • "A cyberpunk samurai cat standing on a neon rooftop at night, rain reflections, cinematic lighting, ultra-detailed 4K"
  • "Professional product photo of a sleek wireless earbud on a marble surface, soft studio lighting, clean minimal background, commercial advertising style"
  • "Transform this photo into a hyper-realistic oil painting of the same person as a Renaissance noble, dramatic chiaroscuro lighting"

Access & Usage

  • Gemini App: Select 🍌Create images → choose "Fast" (Nano Banana 2) or "Pro".
  • AI Studio: Available as "Gemini 3.1 Flash Image (Nano Banana 2)" for developers.
  • Third-Party: Integrated in platforms like Higgsfield, OpenArt, Artlist, etc.

Nano Banana 2 represents the current gold standard for fast, intelligent, production-grade AI image creation and editing.

Nano Banana 2 Prompt Examples

Explore the prompts and their associated outputs.

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Nano Banana 2

Anime Side Profile with Headphones

Modern anime vector illustration of a person from the reference photo transformed into a dramatic side profile with head tilted upward, eyes closed, wearing black over-ear headphones against a bold red minimalist background with clean cel shading and cinematic lighting.

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Nano Banana 2

Japan Side Stories City Life Poster

Anime-style digital poster in a GTA V-inspired comic grid featuring a young character between tradition and modernity, surrounded by vibrant Tokyo scenes including Shibuya Crossing, shrines, ramen shops, and neon alleys with nostalgic warmth.

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Nano Banana 2

Fictional Drivers License Close-Up

Detailed text description for a hyper-realistic close-up photograph of a fictional driver's license held by a hand, showcasing realistic security features, portrait, text data, and natural daylight lighting.

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Nano Banana 2

Defiant Middle Finger Saree Portrait

Cinematic photorealistic portrait of a young Indian woman with a bold defiant expression, playfully biting her lip while holding her middle finger directly toward the camera in sharp focus, wearing a light saree with brown blouse, shot with shallow depth of field on 85mm lens.

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Nano Banana 2

Copper Red Bun in Modern Bathroom

Photorealistic candid portrait of a young woman with striking copper-red hair in a voluminous high bun, wearing a matching light grey lounge set with bolero shrug, standing elegantly in a cream-tiled modern bathroom with soft warm lighting.

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