Nano Banana 2 icon

Nano Banana 2

Proprietary
4.8
Google DeepMind

Nano Banana 2 (technically Gemini 3.1 Flash Image) is Google DeepMind's latest and most capable image generation model, released in February 2026. It delivers Nano Banana Pro quality at Flash speed, achieving an industry-leading Elo score of 1,360 and a photorealism rating of 9.2 out of 10 — surpassing all competitors including GPT Image 1.5 (Elo 1,264), FLUX.2 Pro (Elo 1,265), and Midjourney V7 in overall quality rankings. The model generates 4K images in just 3-5 seconds, supports multi-language text creation and translation directly within images, maintains subject consistency across generations, and produces vivid lighting, rich textures, and sharp details. Priced at roughly half the cost of Nano Banana Pro through the API ($0.067 per 1K image vs $0.134), it offers the best price-performance ratio in the AI image generation market. Available through the Gemini app (free, ~25 images/day), Google Search AI Mode, Google AI Studio, Gemini API, and Google Ads, it has become the default image generation backbone across Google's product ecosystem.

Text to Image

Key Highlights

Industry-Leading Quality (Elo 1,360)

1,360 Elo score surpassing all competitors and 9.2/10 photorealism — superior to GPT Image and FLUX.2 Pro.

Pro Quality at Flash Speed

Generates 4K images in just 3-5 seconds — delivers Pro quality at Flash speed and half the price.

In-Image Multi-Language Localization

Create and translate text in multiple languages directly within images — ideal for global marketing.

Best Price-Performance Ratio

Just $0.067 per 1K image — 50% cheaper than Pro, ~25 images/day free tier.

About

Nano Banana 2, officially known as Gemini 3.1 Flash Image, is Google DeepMind's state-of-the-art image generation model released in February 2026. It represents the culmination of Google's rapid iteration on the Nano Banana line, combining the quality of the Pro model with the speed and cost-efficiency of the Flash architecture.

The model's headline achievement is its industry-leading Elo score of 1,360, surpassing all major competitors in overall image quality rankings. Its photorealism score of 9.2 out of 10 exceeds both GPT Image 1.5 and Midjourney V7 (9.0), establishing it as the most photorealistic AI image generator available. This quality comes without sacrificing speed — Nano Banana 2 generates images in just 3-5 seconds, making it one of the fastest high-quality generators on the market.

Image resolution support ranges from 512px through 1K, 2K, to 4K, with vivid lighting, rich textures, and exceptional detail clarity at all resolutions. The model excels at complex, multi-layered prompts, understanding nuanced spatial relationships, lighting conditions, and material properties that trip up lesser models.

A standout feature is in-image localization — the model can create and translate text directly within images in multiple languages, going beyond simple text rendering to actual semantic understanding of how text should appear in different cultural contexts. Subject consistency allows maintaining the same character or object identity across multiple image generations, enabling cohesive visual narratives.

Pricing represents perhaps the model's most compelling advantage. Through the Gemini API: $0.045 per image at 0.5K, $0.067 at 1K, $0.101 at 2K, and $0.151 at 4K — roughly 50% cheaper than Nano Banana Pro at every resolution tier. Batch processing adds another 50% discount. Through Google AI Studio's free tier, users can generate approximately 20-25 images per day (600-750 per month) at no cost.

Nano Banana 2 is deeply integrated across Google's product ecosystem. Beyond the Gemini app, it powers image generation in Google Search AI Mode and Google Lens, Google Ads creative tools, and is available through the Gemini API and Google AI Studio. Third-party platforms like OpenRouter also provide access.

In the competitive landscape, Nano Banana 2 has established itself as the overall quality leader based on Elo rankings, though Midjourney V7 still leads in aesthetic and artistic quality for creative work, and GPT Image 1.5 maintains an edge in text accuracy. However, when factoring in speed (3-5 seconds), price ($0.067 per 1K image), and quality (Elo 1,360) together, Nano Banana 2 offers the strongest overall value proposition in the market.

Use Cases

1

High-Volume Content Production

Fast and cost-effective batch image production for e-commerce product visuals, social media feeds, and content marketing.

2

Global Marketing Materials

Advertising and promotional visuals adapted for different markets with multi-language in-image text and localization.

3

Photorealistic Product Visualization

Product photography-quality visuals with 9.2/10 photorealism — for catalogs and e-commerce sites.

4

Consistent Brand Content Series

Using brand characters and products consistently across multiple images with subject consistency.

Pros & Cons

Pros

  • Industry-leading overall quality with 1,360 Elo surpassing all competitors
  • 3-5 second generation time — one of the fastest high-quality generators on the market
  • Same quality at half the price of Pro — best price-performance ratio
  • Free tier allows ~25 images/day, ~750/month
  • Deep integration across Google ecosystem (Search, Ads, Lens)

Cons

  • Midjourney V7 still strong in aesthetic/artistic quality — may be preferred for creative work
  • GPT Image 1.5 still leads in text rendering accuracy
  • Closed source — weights not downloadable, cannot run locally
  • Free tier limited by daily quota — API required for high volume

Technical Details

Parameters

undisclosed

Architecture

Gemini Diffusion Flash

Training Data

proprietary

License

Proprietary

Features

  • Elo 1,360 (Industry Leader)
  • 4K Resolution Support
  • 3-5 Second Generation Time
  • Multi-Language In-Image Text
  • Subject Consistency
  • Vivid Lighting & Rich Textures
  • Complex Multi-Layer Prompt Understanding
  • SynthID Watermarking
  • Batch Processing (50% discount)
  • Free Tier (~25 images/day)

Benchmark Results

MetricValueCompared ToSource
Elo Score (Overall)1,360GPT Image 1.5: 1,264 | FLUX.2 Pro: 1,265Independent rankings
Photorealism Score9.2 / 10Midjourney V7: 9.0 | GPT Image 1.5: —Independent evaluations
Generation Speed3-5 secondsNano Banana Pro: 8-12 saniyeGoogle DeepMind
API Price (1K)$0.067/imageNano Banana Pro: $0.134Google AI
API Price (4K)$0.151/imageNano Banana Pro: $0.24Google AI
Free Tier~25 images/day (~750/month)DALL-E: pay-per-use | Midjourney: $10/moGoogle AI Studio

Available Platforms

gemini app
google ai studio
gemini api
google ads
google search

News & References

Frequently Asked Questions

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Open Source
4.8

Quick Info

Parametersundisclosed
Typediffusion
LicenseProprietary
Released2026-02
ArchitectureGemini Diffusion Flash
Rating4.8 / 5
CreatorGoogle DeepMind

Links

Tags

nano-banana
gemini
google
text-to-image
flash
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