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Nano Banana 2 API
The Nano Banana 2 API is Google's high-resolution image generation endpoint with 1K, 2K, and 4K output control, 20,000-character prompts, optional Google Search context, and support for up to 14 reference images.
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Nano Banana 2 API Complete Guide
Learn how to integrate the Nano Banana 2 API, explore its 1K/2K/4K resolution control, and start generating high-resolution images for your applications.
What is the Nano Banana 2 API?
The Nano Banana 2 API extends Google's image stack with explicit 1K, 2K, and 4K resolution control, prompts up to 20,000 characters, and support for up to 14 reference images in image-to-image mode.
Teams already using APIXO for image workflows can treat Nano Banana 2 API as the bridge between lightweight prompt generation and higher-resolution production output. Optional Google Search context helps create fresher, research-backed image concepts when the provider supports it.
Why Developers Choose the Nano Banana 2 API
Key advantages that make the Nano Banana 2 API stand out for high-resolution image generation
Three price tiers with direct 1K, 2K, and 4K resolution control
Text-to-image and image-to-image in one API surface
Up to 20,000 prompt characters for more structured creative briefs
Up to 14 reference images for compositing and editing workflows
Optional Google Search context when the provider supports it
Broad aspect-ratio coverage including auto, portrait, landscape, and extreme banners
JPEG and PNG output support for product, marketing, and editing pipelines
Async task workflow that fits existing APIXO playground and polling flows
What Can You Build with the Nano Banana 2 API?
From marketing assets to creative tools, the Nano Banana 2 API powers diverse image workflows
High-Resolution Marketing Assets
Use Nano Banana 2 API to produce 1K previews fast, then move the same prompt to 2K or 4K for campaign-ready social, landing-page, and ad creative.
Reference-Based Editing
Blend multiple inputs, preserve composition cues, and generate revised product or scene imagery from up to 14 reference images through Nano Banana 2 API.
Long-Form Prompt Workflows
Ship richer prompt templates for storytelling, brand systems, UI moodboards, or visual instructions using Nano Banana 2 API's 20,000-character prompt ceiling.
Search-Aware Creative Tools
Turn on Google Search context when needed to help users create fresher, research-backed image concepts from a single Nano Banana 2 API integration.
Nano Banana 2 API Technical Specs
Performance, resolution, and output details for the Nano Banana 2 API
Resolution Tiers
1K, 2K, 4K
Processing Time
30-45s
Output Formats
PNG, JPEG
Nano Banana 2 API Pricing
Value pricing is used for the public playground display. Official and market rates are shown for comparison.
Example: 1K generation starts at $0.05, while 4K generation is $0.12 on the value route.
Nano Banana 2 API Developer Reviews
Feedback from teams using the Nano Banana 2 API in production
“The 1K-to-4K resolution control is exactly what we needed. Test cheap, ship high-res with the Nano Banana 2 API.”
John Smith
Senior Developer
“The Nano Banana 2 API handles 14 reference images seamlessly. Our product mockup tool has never been better.”
Maria Johnson
Product Manager
“20K character prompts and 4K output — the Nano Banana 2 API is perfect for our creative workflow.”
Alex Lee
Tech Lead
Nano Banana 2 API Known Limitations
Current constraints to consider when integrating the Nano Banana 2 API
Top-level request controls such as provider and callback mode are available in the direct API, but not in the public playground proxy
Image-to-image mode requires at least one reference image and accepts up to 14
Result URLs expire and should be downloaded promptly for durable storage
Unsupported aspect ratios may be ignored by some providers even though the API accepts them
Prompts and reference images still pass through safety moderation and can fail with content policy errors
Start Building with the Nano Banana 2 API Today
Try the Nano Banana 2 API in the playground above, or jump straight into the documentation to integrate it into your project.