Nano Banana Pro

Nano Banana Pro is Google's high-end image model for design-grade work where accuracy matters. Its signature strength is text rendering — Google calls it the best model for generating correctly spelled, legible text directly in an image, across multiple languages — which makes it a workhorse for posters, ads, menus, infographics, and product mockups. Because it can ground a generation in Google Search, it keeps real-world facts straight in maps, diagrams, and data visualizations. It outputs up to 2K and 4K, holds up to 5 people consistent across as many as 14 reference images, and applies Gemini 3's reasoning to composition, camera, and lighting. Reach for it whenever text, layout, or factual detail would be costly to fix by hand.

Nano Banana Pro is made by Google DeepMind and was released on November 20, 2025. 'Nano Banana Pro' is the nickname for Gemini 3 Pro Image — an image generation-and-editing model built on Gemini 3 Pro.

It is the premium tier of Google's Nano Banana image family. It succeeded the original Nano Banana (Gemini 2.5 Flash Image, August 2025) — the viral, fast, 1K model with no editing or reference-image support — and was itself followed by Nano Banana 2 (Gemini 3.1 Flash Image, February 2026), a Flash-tier model that reaches roughly 95% of Pro's quality at about half the cost and 2–3× the speed. Use Pro when you need the highest fidelity — text, 4K, complex composition; drop to Nano Banana 2 for fast, cheaper everyday generation. Google's broader image lineup also includes Imagen 4.

Treat it as a thinking model, not a keyword matcher: write like a creative director instead of stacking tag soup. Google's guidance is to cover subject, composition, action, setting, and style, and to be specific about camera and lighting — real lens and aperture details beat vague terms like 'cinematic.' For revisions, use conversational editing: if an image is about 80% right, ask for the one specific change rather than regenerating from scratch. When combining inputs, the community's reference formula is [reference images] + [relationship instruction] + [new scenario]. Google's prompting tips for Nano Banana Pro and ultimate prompting guide have the full playbook.

Two capabilities power users lean on. First, legible, correctly spelled text at scale — multilingual paragraphs, signage, and infographics that most diffusion models garble — so you can design a finished marketing asset in a single generation. Second, factual grounding through Google Search: ask for a real map, a labeled diagram, or a data chart and it pulls accurate details rather than inventing them. Pair those with structured (pseudo-code) prompts that define variables for its reasoning engine, and it behaves as much like an information-design tool as an image generator. Community prompt collections such as awesome-nanobanana-pro catalog the tricks.