Nano Banana 2
Pro Quality at Flash Speed
Google Gemini 3.1 Flash Image • 4K Ultra-HD • World Knowledge Integration
Nano Banana 2 Features and Capabilities
The best of Nano Banana Pro quality, now at Flash speed
4K Ultra-HD Image Generation
Nano Banana 2 generates native 4K (4096x4096) images with razor-sharp edges and minimal AI artifacts. Upgrade from Nano Banana 1 to professional-grade ultra-high resolution.
World Knowledge Integration
Powered by Gemini real-time knowledge base, Nano Banana 2 accurately renders real-world objects, landmarks, and events. Create data visualizations, infographics, and marketing mockups.
Near-Perfect Text Rendering
Nano Banana 2 achieves 90% text rendering accuracy — complex labels, logos, multilingual scripts, and full infographics. A major leap over previous AI image models.
5-Character Consistency
Maintain up to 5 characters across a single workflow with high similarity. Perfect for storytelling, comics, brand campaigns, and sequential image series.
Flash-Speed Generation
Complex prompts complete in under 6 seconds — roughly 2x faster than Nano Banana Pro. Rapid iteration means more creative experiments in less time.
Advanced Object Handling
Accurately render up to 14 distinct objects in a single workflow. Multi-image conditioning supports consistent style, lighting, and composition.
Architecture
Nano Banana 2 uses a two-part system that separates reasoning from rendering
Reasoning AI
The first component interprets the prompt using Gemini 3.1's language understanding — handling complex relationships, world knowledge, and multi-object spatial logic before any pixels are generated.
High-Fidelity Diffusion Model
The second component is a dedicated diffusion model that converts the reasoning output into a high-resolution image. This separation allows each part to be optimized independently, contributing to both speed and output quality.
This dual-component design is an architectural upgrade from Nano Banana 1, which used a single diffusion model. The change improves prompt accuracy, consistency across frames, and reduces common artifacts.
Nano Banana 2 Performance Benchmarks
#1 on Artificial Analysis Text-to-Image Leaderboard — ELO 1272, ahead of GPT Image 1.5 and Nano Banana Pro
Speed and Throughput
Artificial Analysis Leaderboard
vs Nano Banana 1
vs Competitors (ELO)
Nano Banana 2 vs Nano Banana Pro vs Nano Banana 1
Nano Banana 2 ranks #1 in text-to-image (ELO 1272) at half the API cost of Pro ($67 vs $134 per 1K images)
| Feature | Nano Banana 1 | Nano Banana 2New | Nano Banana Pro |
|---|---|---|---|
| Max Resolution | 1K (1024x1024) | 4K (4096x4096) | 4K (4096x4096) |
| Generation Speed | ~3 seconds | 4-6 seconds | 8-12 seconds |
| Text Rendering | ~80% | ~90% | 94% |
| Character Consistency | Limited | 5 characters | 5 characters (99%) |
| World Knowledge | Basic | Advanced (Gemini 3.1) | Advanced (Gemini 3) |
| Architecture | Gemini 2.5 Flash | Gemini 3.1 Flash | Gemini 3 Pro |
| Best For | Quick drafts | Speed + quality balance | Maximum quality |
Use Cases
Scenarios where Nano Banana 2 is a practical fit
Infographics and Data Visualization
World knowledge integration and accurate text rendering make it suitable for generating charts, diagrams, and labeled infographics without manual post-editing.
Brand and Marketing Assets
5-character consistency and multi-image conditioning support repeatable visual styles across a campaign or product series.
Sequential Storytelling
Consistent character identity across multiple images in a single workflow is useful for comics, storyboards, and visual narratives.
Rapid Prototyping
Sub-6-second generation times allow for quick iteration on visual concepts — useful when exploring multiple directions before committing to a final design.
Platform Integrations
Nano Banana 2 is available across several Google products
Gemini App
Available in the Gemini app with template support. Free users have limited generations; paid and enterprise users have higher limits.
Google Search (AI Mode)
Integrated into Google Search's AI mode for inline image generation within search results.
Google Ads
Available for generating ad creative assets directly within the Google Ads platform.
Google Flow
Integrated into Google Flow for use in automated content and creative workflows.
Nano Banana 2 FAQ
Everything you need to know about Nano Banana 2 (Gemini 3.1 Flash Image)
What is Nano Banana 2?
Nano Banana 2 is Google's AI image generation model officially known as Gemini 3.1 Flash Image. Released on February 26, 2026, it combines the Pro-level image quality of Nano Banana Pro with the high-speed inference of the Flash architecture, delivering 4K images in under 6 seconds.
How is Nano Banana 2 different from Nano Banana Pro?
Nano Banana Pro is built for maximum quality with 94% text rendering accuracy and 8-12 second generation times. Nano Banana 2 trades a small amount of quality for roughly 2x the speed and 30-50% lower cost, making it ideal for rapid iteration and production-scale workflows.
What resolution does Nano Banana 2 support?
Nano Banana 2 supports up to 4K resolution (4096x4096), a massive upgrade from Nano Banana 1's 1K (1024x1024) limit. It also supports tiled rendering and seamless correction for large-format outputs.
Can Nano Banana 2 generate text in images accurately?
Yes. Nano Banana 2 achieves approximately 90% text rendering accuracy, supporting complex labels, logos, multilingual scripts including Chinese, Japanese, and Arabic, and full infographic layouts.
What is character consistency in Nano Banana 2?
Nano Banana 2 can maintain up to 5 characters with consistent appearance across multiple images in a single workflow. This is essential for creating comics, brand campaigns, storyboards, and any project requiring the same characters in different scenes.
How does Nano Banana 2 use world knowledge?
Nano Banana 2 is powered by Gemini 3.1 knowledge base, allowing it to accurately render real-world subjects — specific landmarks, products, people, and events. This makes it especially powerful for data visualizations, infographics, and marketing materials that need factual accuracy.
Is Nano Banana 2 available for free?
Nano Banana 2 is available in the Gemini app with limited free generations. Paid and enterprise users get unlimited access. You can try it now through our platform.
What is the API model ID for Nano Banana 2?
The official model ID is gemini-3.1-flash-image-preview. It follows the same OpenAI-compatible API format as other Gemini models, making integration straightforward for developers already using the Gemini API.
About Nano Banana 2
Nano Banana 2 (Gemini 3.1 Flash Image) represents Google's next step in democratizing high-quality AI image generation. By bringing Pro-level capabilities to the Flash architecture, it makes 4K image generation accessible at scale — faster and more affordable than ever before.
This platform provides access to Google's official Gemini API services. We are an independent platform and not officially affiliated with Google LLC. Nano Banana 2 is a community codename for the Gemini 3.1 Flash Image model.
Generate Images with Nano Banana 2
Try Nano Banana 2 (Gemini 3.1 Flash Image) — 4K quality at Flash speed