Nano Banana Pro
Google's flagship image generation and editing model — enhanced reasoning, real-time knowledge, and native 4K output.
Overview
What is Nano Banana Pro
Nano Banana Pro is Google's advanced image generation and editing model, powered by Gemini 3 Pro Image. Released in November 2025, it delivers studio-quality visuals with improved text rendering, character consistency, and the ability to use real-time data from Google Search for context-rich infographics and diagrams.
Running it privately on Venice
On Venice, Nano Banana Pro runs with anonymized privacy — your prompts are never stored or used for training. This means you can generate images freely without building a personal history, ideal for sensitive or commercial workflows. You pay per image, not via subscription, so usage stays flexible and private.
Assessment
Strengths and limitations
- Native 4K output with high fidelity and cinematic quality.
- Strong reasoning and real-world knowledge integration via Google Search for accurate infographics and diagrams.
- Excellent character and style consistency across multiple generations.
- Supports multi-image fusion and pose control for complex creative workflows.
- Embeds SynthID watermark for provenance and IP protection.
- Proprietary and closed: no open weights, so self-hosting or fine-tuning is not possible.
- Text rendering, while improved, is not as reliable as GPT Image 2 for small or dense in-image text.
- Higher cost per image compared to some rivals, especially at 4K resolution.
- Slower generation speed compared to lighter models like Nano Banana 2.
Samples
Sample outputs
Generated on Venice with our standard prompt suite — the same prompts we run through every model of this type, so you can judge it like-for-like.
A retro travel poster with the bold headline "VENICE" in large condensed serif type, sunset color palette, clean layout
Photorealistic close-up portrait of a weathered fisherman at golden hour, 85mm lens, shallow depth of field, natural skin texture
A small red cube balanced on top of a large glossy blue sphere, with a green cone to the right, plain light-grey studio background
Cozy watercolor illustration of a hillside village in autumn, warm tones, soft paper texture
Capabilities
What it supports
- Text to image
- Image to image
Specifications
Datasheet
- Maker
- Google (Gemini 3 Pro Image)
- Released
- November 2025
- Modality
- Text-to-image, image-to-image editing
- Max resolution
- 4K (3840×2160)
- Open weights
- No — proprietary
- Resolutions
- 1K, 2K, 4K
- Aspect ratios
- 1:1, 3:2, 16:9, 21:9, 9:16, 2:3, 3:4, 4:5
- Prompt limit
- 32,768 chars
- Privacy on Venice
- Anonymized — prompts not stored
- Available on Venice since
- Nov 2025
- License
- Proprietary
API
Call it from your code
Venice exposes this model through the REST API. Queue a generation with the model id.
curl https://api.venice.ai/api/v1/image/generate \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nano-banana-pro",
"prompt": "A serene mountain lake at dawn, photorealistic"
}' --output image.pngPricing
What it costs on Venice
Pay per image on Venice — price scales with resolution, from $0.18.
New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.
Alternatives
How it compares
| Model | Max resolution | Strongest at | Open weights | Price (Venice) |
|---|---|---|---|---|
| Nano Banana Pro | 4K | Reasoning & real-time knowledge | No | from $0.18 / image |
| GPT Image 2 | 4K | Text & instruction-following | No | from $0.27 / image |
| Flux 2 Max | — | Photoreal detail | No | $0.09 / image |
| Luma Uni-1 Max | — | High-fidelity 3D assets | No | $0.12 / image |
Google's most advanced image model — excels in context-aware visuals and infographics.
Use cases
What it is good for
- 01Creating high-resolution infographics and educational explainers with real-time data.
- 02Designing marketing assets requiring consistent characters or brand elements.
- 03Prototyping product designs or UI mockups from handwritten notes or sketches.
- 04Generating cinematic visuals for film, gaming, or advertising.
- 05Editing and enhancing images with contextual awareness from Google Search.
Prompting
Getting better results
Use detailed descriptions with real-time context cues like 'current weather in Tokyo' to leverage Gemini's knowledge.
Specify aspect ratio explicitly (e.g., '16:9') to match your target format.
For character consistency, reference up to five characters across generations.
Use multi-image fusion by uploading reference images to blend styles or subjects.
Version history
Initial release — Gemini 2.5 Flash Image model.
Current — Gemini 3 Pro Image with enhanced reasoning and 4K support.
FAQ
Frequently asked questions
Nano Banana Pro is Google's flagship image generation and editing model, built on Gemini 3 Pro Image. It enables high-quality 4K visuals with advanced reasoning, real-time knowledge integration, and character consistency for professional creative workflows.
On Venice, Nano Banana Pro pricing starts at $0.18 per image for 1K resolution, $0.23 for 2K, and $0.35 for 4K. You pay per image with no subscription required.
No. Nano Banana Pro is a proprietary model developed by Google. It is not free to use at scale and does not offer open weights, so it cannot be self-hosted or fine-tuned.
Nano Banana Pro supports 1K, 2K, and native 4K (3840×2160) output. While 1K and 2K are generally available, 4K generation is still in preview as of mid-2026.
Yes. Nano Banana Pro can connect to Google Search to incorporate real-time information like weather, sports scores, or news into generated visuals, making it ideal for dynamic infographics.
Yes. It can maintain consistent characters across multiple generations, supporting up to five different characters or 14 reference images in a single workflow.
Nano Banana Pro excels in cinematic quality, real-time knowledge integration, and character consistency. GPT Image 2 leads in in-image text accuracy and instruction-following. Choose based on whether you prioritize storytelling context or precise text rendering.
Run Nano Banana Pro privately
No prompt logging. No data used for training.