Nano Banana 2.1

• 🏢 Google's Nano Banana image generation line, this entry dated October 2026.
• 🆕 Listed in this catalog as the newest Nano Banana entry.
• 🧠 Built on Gemini, so prompts are interpreted with language understanding.
• 🔧 Google's prompting guide covers styles, composition and editing workflows.
• 💬 Family supports in-image text rendering and flexible aspect ratios.
• 🌐 Listed on this catalog with a web-search capability.
• 🔒 Outputs carry Google's invisible SynthID watermark identifying AI generation.
• 🎯 A paired editing/inpainting variant is listed alongside the generator.

Google

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Nano Banana 2.1 belongs to Google's Nano Banana line of image generation models, which sit on top of the Gemini image stack and apply the Gemini family's language understanding and reasoning to interpret a prompt before rendering it. In this catalog it is recorded as the newest Nano Banana entry, following Nano Banana 2 and the smaller Nano Banana 2 Lite, and sitting alongside the Nano Banana Pro tier.

The family's established working model carries over: natural-language prompting rather than keyword stacking, support for composing scenes from reference imagery, and iterative refinement through conversational follow-up edits. Google's prompting guidance for the line emphasises describing subject, setting, lighting and camera framing in prose, and covers text rendering inside images as well as varied aspect ratios.

Because the Nano Banana models are Gemini-based, they handle instructions expressed in natural language and interpret intent rather than matching keywords. Google has not published detailed specifications for the 2.1 refresh.

On this catalog, Nano Banana 2.1 is offered both as a text-to-image generator and as the companion editing model Nano Banana 2.1 for inpainting and targeted revisions, and the listing records a web-search capability. All Nano Banana output carries Google's invisible SynthID watermark, which marks the image as AI-generated.

Sources: [2] Google Cloud Blog, ultimate prompting guide for Nano Banana; [3] Google AI Studio model page; [8] Google DeepMind, Gemini Image (Nano Banana).