Nano Banana Pro
Nano Banana Pro is Google's new state-of-the-art image generation and editing model
By Google
Pricing: $0.15 per image
Overview
Nano Banana Pro by Google, premium image generation with sharp detail and natural lighting. Up to 4K resolution, optional web search. SynthID watermarking on every output.
Key capabilities
- **Google's premium image generation model**, Nano Banana Pro delivers Google's highest image quality in the Nano Banana family, optimised for sharp detail and natural lighting.
- **Character consistency up to 5 people**, Maintain consistent character appearance across up to 5 people in a single generation, ideal for storytelling, campaigns, and multi-character scenes.
- **SynthID watermarking**, Every output carries Google's SynthID digital watermark, invisibly embedded and robust to common edits, enabling attribution and provenance tracking.
- **Web search grounding**, Optional web search enables generation grounded in current events, recent product releases, and real-time visual references. +$0.015/image.
- **3 resolution tiers**, 1K, 2K, and 4K resolution options in one model, choose per request based on your quality and cost requirements.
Nano Banana model family by Google
| Model | Details |
|---|---|
| **Nano Banana Pro** (this model) | Premium, highest quality, web search, up to 4K |
| **Nano Banana 2** | Standard, fast generation from 0.5K to 4K |
Technical specifications
| Spec | Details |
|---|---|
| Architecture | Gemini 3 Pro Image |
| Resolutions | 1K · 2K · 4K |
| Aspect Ratios | 10 standard ratios (21:9 to 9:16) |
| Add-ons | Web search (+$0.015/image) |
| Watermarking | SynthID digital watermark |
| Output Formats | JPEG · PNG · WebP |
| License | Commercial |
Examples
- A cathedral made entirely of stained glass, viewed from inside looking up at the rose window ceiling. Sunlight streams through panels depicting vineyard scenes with grapes and golden wheat. The floor reflects rainbow light patterns. Photorealistic, shot on medium format camera, golden hour
- A cathedral made entirely of stained glass, viewed from inside looking up at the rose window ceiling. Sunlight streams through panels depicting vineyard scenes with grapes and golden wheat. The floor reflects rainbow light patterns. Photorealistic, shot on medium format camera, golden hour
Frequently asked questions
- What is Nano Banana Pro?
- Nano Banana Pro is Google's premium text-to-image model delivering sharp detail and natural lighting across styles. It supports 1K, 2K, and 4K resolutions with optional web search grounding, making it suitable for both high-quality creative work and real-time informed generation.
- How much does Nano Banana Pro cost on Runflow?
- Nano Banana Pro is $0.15/image at standard resolution (up to 2K) and $0.30/image at 4K. Web search adds $0.015/image when enabled.
- What does the web search feature do?
- When enable_web_search is true, Nano Banana Pro queries the web before generating, grounding the output in current information. Useful for generating visuals of recent events, new product releases, or real-time visual references. Costs an additional $0.015 per image.
- What resolutions does Nano Banana Pro support?
- Nano Banana Pro supports 1K (standard), 2K, and 4K resolutions via the resolution parameter. Standard pricing applies up to 2K. 4K is priced at 2× ($0.30/image).
- How does Nano Banana Pro compare to Nano Banana 2?
- Nano Banana Pro delivers higher quality outputs at $0.15/image starting price. Nano Banana 2 is the faster, more affordable option starting at $0.08/image, it also supports 0.5K and thinking modes. Both use the same Runflow API endpoint.
- Can I use Nano Banana Pro commercially?
- Yes. Nano Banana Pro is available under a commercial license. You can use it in production applications, SaaS products, and client deliverables.
- Do I need to manage GPUs or infrastructure?
- No. Runflow handles all GPU provisioning, scaling, and failover. You make an API call, you get back an image.
Related models
- Object Removal (Prompt) — Remove requested objects from a photo using a short text instruction. Flux-fill restores the background without requiring a mask.
- Background Replace — Swap the background of any product photo for a new scene defined by a reference image and a short prompt. The model preserves the foreground subject while matching camera angle and lighting to the new background.
- Reference Inpaint — Inpaint a region of a target photo using a reference image as the visual guide. Provide the target, a black-and-white mask of the area to fill, and a reference image. The model paints the masked region with content matching the reference.
- Product Isolation — Isolate the main product from a busy scene onto a clean background, using an optional text prompt to disambiguate the subject. Built for studio-grade product photography at scale.