Nano Banana Pro
Nano Banana Pro is Google's Gemini 3 Pro Image model that renders legible multilingual text and blends references up to 4K. Access it through Velokey's unified endpoint with below-list pricing.
Use cases
Localization & translation of designs · Educational & infographic content
Input
Text or image
Output
Image
Billing
Per image
Sign up to get $0.5 in free credits — about 20 free images
Generate an image
Enter a prompt and click Generate
Nano Banana Pro examples
👆 Click on any example above to view full details, prompt, and parameters
Pricing details
Transparent usage-based pricing with no hidden fees.
Detailed Pricing
Usage-based pricing breakdown
| Spec | Price | Official | Savings |
|---|---|---|---|
| 1K/image | 0.0188 Credits≈$0.0188 | 0.0235 Credits | -20% |
| 2K/image | 0.0381 Credits≈$0.0381 | 0.0477 Credits | -20% |
| 4K/image | 0.0633 Credits≈$0.0633 | 0.0791 Credits | -20% |
Billing Rules
- Output price varies by model, resolution, quality, duration, or token usage.
- Uploaded reference files may be charged separately when supported.
- Add-on capabilities such as web search or image search may be billed per request.
- Token-based models are billed by input and output tokens.
- If the primary route is unavailable, Velokey may automatically switch to a stable fallback route when possible.
- Usage is pay-as-you-go with transparent credit deduction.
* Final cost depends on the generated result.
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Affordable Nano Banana Pro API
Access Google's Gemini 3 Pro Image model on Velokey — legible multilingual text, multi-image composition, knowledge-grounded visuals, and advanced editing at up to 4K, with a unified endpoint and below-list pricing for production apps.
Meet Nano Banana Pro and its API access
Nano Banana Pro is Google's Gemini 3 Pro Image model, released on November 20, 2025, and the successor to Nano Banana (Gemini 2.5 Flash Image). It renders legible, correctly spelled text directly in images across many languages, composes up to 14 images with strong visual consistency, and grounds visuals in world knowledge and real-time information for accurate, context-rich results at up to 4K. Advanced creative controls span localized editing, camera angle, focus, color grading, and lighting, and every image carries an embedded SynthID watermark. Velokey provides an affordable, easy-to-integrate Nano Banana Pro API: a unified endpoint, one API key, a clear request flow, and below-list pricing for production design, marketing, and localization workflows.
Legible multilingual text rendering
Renders correctly rendered, readable text directly in images across multiple languages, with varied textures, fonts, and calligraphy — enabling localization and translation of posters, packaging, and UI without redrawing each layout.
View Documentation →
Blend up to 14 images with consistency
Combines up to 14 images into one coherent composition with strong visual consistency, and preserves the resemblance of up to 5 people across scenes — ideal for product mockups and campaign visuals.
View Documentation →
Knowledge-grounded visuals up to 4K
Uses advanced reasoning, world knowledge, and real-time information (Google Search grounding) for accurate, context-rich visuals — great for educational and infographic content — at up to 4K resolution with multiple aspect ratios.
View Documentation →
Advanced editing, lighting & camera controls
Offers localized editing, camera angle adjustment, focus and depth-of-field control, color grading, and lighting manipulation such as day-to-night and bokeh for precise, art-directed results.
View Documentation →
How to deploy the Nano Banana Pro API on Velokey
Get started with just a few steps.
Sign up and get an API Key
Sign in to the Velokey console to generate an API Key that authenticates every generation and editing request sent to Nano Banana Pro.
Configure request parameters
Set model to nano-banana-pro and send your prompt. Pick aspect ratio and resolution up to 4K for generation; attach up to 14 reference images and describe localized edits, camera angle, focus, or lighting for editing and composition.
Integrate and start calling
Send requests to Velokey's unified image endpoint to power design, marketing, and localization pipelines, with credits and usage managed in one console.
Real-world use cases for Nano Banana Pro
From localization to marketing, covering many high-fidelity visual scenarios.
Localization & translation of designs
Render legible in-image text in many languages to localize posters, packaging, and UI mockups without redrawing each layout.
Educational & infographic content
Grounded in world knowledge and real-time information for accurate diagrams, explainers, and infographics with context-rich detail.
Marketing & campaign visuals
Blend up to 14 reference images with consistent people and styling for ads, product mockups, and campaign visuals up to 4K.
Product & brand mockups
Compose product shots and layouts from multiple references while keeping styling and people consistent across a whole set.
Accurate, context-rich visuals
Advanced reasoning and real-time grounding produce accurate visuals where correct detail and world knowledge matter.
Consistent character & brand assets
Preserve the resemblance of up to 5 people across compositions for coherent character and brand asset libraries.
Why choose Velokey for Nano Banana Pro
Discount on list price
Call Nano Banana Pro at a lower price on Velokey — pay-as-you-go with no forced subscription, reducing upfront cost.
Unified API interface
One API Key accesses Nano Banana Pro and other models — no juggling multiple accounts and keys, simplifying integration.
Complete docs and examples
Endpoint references, parameter details, and generation and editing examples help you ship image workflows quickly.
Stable and highly available
Automatic failover and stable fallback routes maintain availability when the primary route is down, keeping production reliable.
API Reference
Complete API call examples and parameter descriptions
Endpoint
https://api.velokey.ai/v1/chat/completionsAuthentication
Bearer YOUR_API_KEYRequest Example
curl https://api.velokey.ai/v1/chat/completions \
-X POST \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-3-pro-image-preview",
"prompt": "A premium product photo...",
"size": "1024x1024",
"quality": "high"
}'Response Example
{
"id": "req_abc123",
"model": "gemini-3-pro-image-preview",
"created": 1234567890,
"data": { ... }
}Nano Banana Pro API FAQ
What is Nano Banana Pro?
Nano Banana Pro is Google's Gemini 3 Pro Image model, released on November 20, 2025, and the successor to Nano Banana (Gemini 2.5 Flash Image). It focuses on legible in-image text, multi-image composition, knowledge-grounded visuals, and advanced creative controls at up to 4K.
Can it render readable text in images?
Yes. It renders legible, correctly rendered text directly in images across multiple languages, with varied textures, fonts, and calligraphy — enabling localization and translation of designs without redrawing each layout.
How many images can it compose at once?
It blends up to 14 images into a single composition with strong visual consistency, and can preserve the resemblance of up to 5 people across compositions.
What resolution and controls are supported?
It generates up to 4K resolution with multiple aspect ratios, and offers advanced creative controls: localized editing, camera angle adjustment, focus control, color grading, and lighting manipulation such as day-to-night and bokeh.
Are images watermarked, and how is it billed on Velokey?
Generated images include an embedded SynthID watermark. On Velokey, Nano Banana Pro is billed through one unified endpoint and a single API key, with below-list pricing shown in this page's pricing area.
Start building with Nano Banana Pro today
Use one API key to access low-cost, stable AI models through Velokey.