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    gemini-3-pro-image-preview

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    gemini/gemini-3-pro-image-preview

    ImageVisionTools

    Context

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    Max output

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    Input / 1M

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    Output / 1M

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    Modality

    Image

    Cutoff

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    About this model

    The gemini-3-pro-image-preview model, also known as Nano Banana Pro, is Google's image generation and editing model. It launched in late 2025. Built on the Gemini 3 Pro architecture, it has a Thinking Mode. This mode allows the model to reason through complex instructions. It results in higher accuracy and factuality compared to earlier versions. The model supports resolutions up to 4K. It is the first to integrate Grounding with Google Search.

    Best suited for

    • Its use cases include graphic design. It can generate infographics and technical diagrams. It also works in advanced marketing workflows. The model blends reference images into a single advertisement. It excels in e-commerce localization. It translates text on product labels and menus while keeping the original style.

    Built-in tools

    Gtwy web search

    Hosted by the gateway — enable them per request without wiring your own endpoint.

    Capabilities

    Vision

    Accepts images alongside text in the same message.

    Tools

    Native function calling, so agents can invoke your endpoints.

    Supported parameters

    image_size

    Defines the image dimensions preset used during image generation.

    aspect_ratio

    Defines the width-to-height proportion for generated visual output.