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Nano Banana Pro

Google · Nano Banana

Google's Gemini 3 Pro Image preview model for professional visual assets, grounded image generation, and high-fidelity text rendering.

Type
image
Context
N/A
Max Output
N/A
Status
preview
API Access
Yes
License
proprietary
image-generation image-editing google creative visual preview grounding
Released November 2025 · Updated May 16, 2026

Overview

Freshness note: Image-model capabilities, safety behavior, and pricing can change quickly. This profile is a point-in-time snapshot last verified on May 16, 2026.

Nano Banana Pro is Google’s professional image-generation and editing route in the Gemini stack. Google identifies it in the Gemini API docs as gemini-3-pro-image-preview, also described as Gemini 3 Pro Image Preview. It is the higher-quality counterpart to Nano Banana 2, which is optimized for speed and high-volume developer use cases.

The model is important because Google is no longer using Nano Banana as one vague product label. The current API docs distinguish three lanes: Nano Banana 2 for efficient Gemini 3.1 Flash Image workflows, Nano Banana Pro for professional asset production, and the original Nano Banana / Gemini 2.5 Flash Image route for low-latency image work.

Capabilities

Nano Banana Pro is designed for complex visual instructions, higher-fidelity text rendering, localized editing, and professional creative controls. Google’s launch material emphasizes accurate text in images, multilingual visual text, infographics, diagrams, product mockups, storyboards, and brand-style creative work.

The API docs also note that Nano Banana Pro uses advanced reasoning or “Thinking” for more complex composition. It can use real-world grounding through Google Search, which makes it especially useful for visual explainers, timely infographics, and assets that need factual context rather than only style transfer.

Technical Details

This is an image-native model, so Signal Lens stores contextWindow and maxOutput as 0 and treats token-style fields as N/A for UI purposes.

Current public anchors:

  • API model ID: gemini-3-pro-image-preview.
  • Gemini API image generation and editing support.
  • Built-in SynthID watermarking for generated images.
  • Designed for professional asset production and complex instructions.
  • Can generate images up to 4K in Google’s product documentation.

Pricing & Access

Google exposes Nano Banana Pro through Gemini product surfaces and the Gemini API preview path. Exact availability and quotas vary by product, plan, and region.

Access options include:

  • Gemini app for supported user tiers.
  • Google AI Studio and Gemini API.
  • Google Ads, Workspace, and other Google product integrations where rolled out.

Pricing should be checked against the Gemini API pricing page before production use because Google treats preview media-model pricing and quotas as fast-moving.

Best Use Cases

Use Nano Banana Pro for brand mockups, product visuals, visual explainers, diagram-style assets, multilingual text-in-image work, and grounded infographics where the output needs to look closer to a finished creative asset than a rough sketch.

Use Nano Banana 2 instead when speed, cost, and high-volume iteration matter more than maximum text fidelity or professional layout control.

Comparisons

  • Nano Banana 2 (Google): Faster Gemini 3.1 Flash Image route for high-volume iteration; Pro is the higher-quality Gemini 3 Pro Image route.
  • Imagen 4 (Google): More established dedicated image family; Nano Banana Pro is the reasoning-grounded Gemini-native creative lane.
  • GPT Image 2 (OpenAI): Strong OpenAI-native creative model; Nano Banana Pro is more attractive inside Google AI Studio, Gemini, Ads, and Search-grounded workflows.