google/nano-banana-2
Nano Banana 2 is Google's new state-of-the-art fast image generation and editing model
Example output — click Run to generate your own
API README
Google Nano Banana 2 Text-to-Image
Google's fast image generation model built on Gemini 3.1 Flash architecture. Optimized for speed and cost — delivers quality images with flexible resolutions, extended aspect ratios, and built-in web/image search grounding.
- Need to edit an existing image? Try Nano Banana 2 Edit.
Highlights
Fast generation — Optimized for speed, ideal for high-volume production workflows requiring rapid turnaround.
Web & Image Search grounding — Retrieve web images via Google Image Search as visual background context. Enables reference-aware generation without manually uploading assets.
Extended aspect ratios — Supports extreme ratios like 1:8 and 8:1 for banners, scrolls, and panoramic content, in addition to standard ratios.
Low-cost 0.5K resolution — New 512px output tier at reduced cost for thumbnails, previews, and prototyping.
Free Web & Image Search — Web search and image search grounding included at no extra cost.
Native text rendering — Renders readable text in images across Latin, CJK scripts with correct spelling and placement.
Pricing
| Resolution | Price |
|---|---|
| 0.5K | $0.04 |
| 1K | $0.06 |
| 2K | $0.10 |
| 4K | $0.14 |
| Web Search | Free |
| Image Search | Free |
When to Use
| ✅ Good fit | ❌ Consider alternatives |
|---|---|
| Rapid prototyping and previews | Highest quality brand assets (use Nano Banana Pro) |
| High-volume batch generation | Pixel-perfect text layout |
| Banners and ultra-wide/tall content | Video or animation |
| Thumbnails and social media content | Ultra-high resolution print (4K+) |
| Cost-sensitive workflows | Iterative mask-based editing (use Edit model) |
Prompt Guide
Structure your prompts for best results:
Scene: [environment, time of day, background]
Subject: [main focus, position, action]
Details: [materials, lighting, camera angle, mood]
Text: [exact text to render, font style, placement]
Style: [photorealistic, illustration, flat design, etc.]
Example:
A vibrant 16:9 banner for a music festival. Neon-lit stage with a crowd silhouette in the foreground, confetti in the air. Title text "SUMMER BEATS 2026" in bold graffiti style at center. Electric purple and cyan color palette.
Technical Specs
| Spec | Value |
|---|---|
| Input | Text prompt (max 50,000 characters) |
| Output | PNG or JPEG |
| Resolution | 0.5K / 1K / 2K / 4K |
| Aspect ratio | 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16, 4:1, 1:4, 8:1, 1:8 |
| Web Search | Google web + image search grounding |
| Reference images | Up to 14 |
| Execution | Async (submit → poll for result) |
| Typical latency | 15–30 seconds |
Related
- Nano Banana 2 Edit — Edit existing images with multi-image reference support
- Nano Banana Pro — Higher quality generation at higher cost