Nano Banana 2.1

Nano Banana 2.1 is a multimodal Gemini image model for controlled image generation, editing, text rendering, multilingual localization, and rapid visual iteration.

About Nano Banana 2.1

Nano Banana 2.1 is a member of the Gemini 3 series and is based on Gemini 3.6 Flash. It is a natively multimodal reasoning model that can process text strings and images and generate image and text outputs.

The model supports image creation and editing with professional levels of precision and control. Its documented applications include complex infographics, intricate diagrams, posters with clear text, historically accurate scenes, localized text rendering, and workflows requiring multiple rapid iterations.

Nano Banana 2.1 has a context window of up to 1 million tokens. It provides up to 4K tokens for image output and up to 64K tokens for text output. Its knowledge cutoff is March 2026, although information for some domains may be limited to January 2025.

Key Features

Multimodal input: Processes text strings and images.
Image and text output: Generates images with up to 4K output tokens and text with up to 64K output tokens.
Long context: Supports a context window of up to 1 million tokens.
Image generation and editing: Supports controlled image creation and editing with multiple rapid iterations.
Text rendering: Generates text for posters, diagrams, and other visual designs.
Localized visual content: Supports text rendering across several languages.
Real world knowledge: Can use Gemini knowledge to create precise visuals and historically accurate scenes.

Pricing

Pricing is not publicly specified in the provided official source.

Use Cases

Creating and editing images with professional precision and control.
Producing complex infographics and intricate diagrams.
Generating posters and visual content with clear text.
Creating historically accurate scenes using real world knowledge.
Localizing text within visual content across several languages.
Performing multiple rapid image-generation and editing iterations.

Pros & Cons

Pros:

Supports text and image inputs with image and text outputs.
Provides a context window of up to 1 million tokens.
Supports detailed image creation, editing, text rendering, and multilingual localization.
Offers documented evaluation coverage for text to image, image editing, multi turn, stylization, and multi reference tasks.
Available through multiple Google distribution channels.

Cons:

Small text, long paragraphs, and page length may produce poor or blurry text rendering.
Character consistency between input and generated images is not always perfect.
Instruction following and ink persistence may be incomplete in masked or doodle based editing.
The model may occasionally confuse spatial locations such as left and right.
It has limitations in advanced world knowledge, 3D reasoning, and factuality.
Hallucinations, slowness, and timeout issues may occur.

Integrations

Gemini App, Google AI Studio, Gemini API, Google Search AI Mode, Google Ads, Google Flow, Google Stitch

FAQ

What is Nano Banana 2.1?

Nano Banana 2.1 is a member of the Gemini 3 series of natively multimodal reasoning models and is based on Gemini 3.6 Flash.

What inputs does Nano Banana 2.1 support?

The model supports text strings, including prompts and documents, and images as inputs.

What outputs can Nano Banana 2.1 generate?

Nano Banana 2.1 generates image and text outputs. The model card documents up to 4K tokens for image output and up to 64K tokens for text output.

What is the context window of Nano Banana 2.1?

Nano Banana 2.1 supports a token context window of up to 1 million tokens.

What can Nano Banana 2.1 be used for?

Documented uses include image creation and editing, complex infographics, intricate diagrams, posters with clear text, historically accurate scenes, localized text rendering, and rapid visual iteration.

What are the known limitations of Nano Banana 2.1?

Known limitations include poor rendering of some small text and long paragraphs, imperfect character consistency, partial instruction following in some editing workflows, occasional spatial confusion, limited advanced 3D reasoning and factuality, hallucinations, slowness, and timeouts.

Where is Nano Banana 2.1 available?

The model is distributed through the Gemini App, Google AI Studio, Gemini API, Google Search AI Mode, Google Ads, Google Flow, and Google Stitch.

What is the knowledge cutoff for Nano Banana 2.1?

The knowledge cutoff for its Gemini 3.6 Flash dependency is March 2026. The model card notes that information for some domains may be limited to January 2025.

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Categories:

AI Image Generation Models AI Models