Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

Image input Text input Image output Text output
Author's Description

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and high-fidelity visual synthesis. The model generates context-rich graphics, from infographics and diagrams to cinematic composites, and can incorporate real-time information via Search grounding. It offers industry-leading text rendering in images (including long passages and multilingual layouts), consistent multi-image blending, and accurate identity preservation across up to five subjects. Nano Banana Pro adds fine-grained creative controls such as localized edits, lighting and focus adjustments, camera transformations, and support for 2K/4K outputs and flexible aspect ratios. It is designed for professional-grade design, product visualization, storyboarding, and complex multi-element compositions while remaining efficient for general image creation workflows.

Key Specifications
Cost
$$$$$
Context
65K
Released
Nov 20, 2025
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Max Tokens Top P Reasoning Seed Structured Outputs Include Reasoning Temperature Response Format
Features

This model supports the following features:

Structured Outputs Reasoning Response Format
Performance Summary

Google's Nano Banana Pro, built on Gemini 3 Pro, is positioned as an advanced image-generation and editing model with significant capabilities. It consistently ranks among the fastest models available and offers highly competitive pricing, making it an efficient and cost-effective solution. The model demonstrates exceptional reliability, achieving a 100% success rate across benchmarks, indicating minimal technical failures and consistent response delivery. A key area for improvement is highlighted by the "Hallucinations (Baseline)" benchmark, where the model achieved 0.0% accuracy. This suggests that Nano Banana Pro currently struggles to appropriately acknowledge uncertainty when presented with entirely fictional concepts, failing to select "I don't know" as the correct response. Despite this, its strengths lie in its advanced multimodal reasoning, real-world grounding, and high-fidelity visual synthesis, enabling the generation of context-rich graphics and cinematic composites. The model excels in industry-leading text rendering, consistent multi-image blending, and accurate identity preservation for multiple subjects. Its fine-grained creative controls, including localized edits, lighting adjustments, and support for 2K/4K outputs, cater to professional-grade design and complex visual tasks.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $2
Completion $12
Image Generation $67 per 1K images

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Google
Google | google/gemini-3-pro-image-preview-20251120 65K $2 / 1M tokens $12 / 1M tokens
Google AI Studio
Google AI Studio | google/gemini-3-pro-image-preview-20251120 65K $2 / 1M tokens $12 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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