Gemini 3 Pro Image (Nano Banana Pro) – The Definitive Technical Guide

This living document is written for developers, prompt engineers, and power users who want to squeeze every last drop out of Google’s new flagship visual model (official name: Gemini 3 Pro Image, codename GEMPIX 2, public alias “Nano Banana Pro”).

Core Specs at a Glance

• Native resolution: 2176 × 3840 (true 4K, single pass)

• Max reference images: 14 (face/body/clothing consistent at ~95 %)

• Text languages: 100+ with full typography control

• Context window for chat refinement: ~32 k tokens

• Real-time Search grounding: enabled by default

• Watermark: invisible SynthID (removable on Google AI Ultra / some third-party paid tiers)

• Outpainting: mathematically infinite canvas (no hard limit)

• API availability: Google AI Studio + select partners

Where to Access It Right Now (No Waitlist)

https://ai-image-generator.net – cleanest public front-end, credit-based, full Gemini 3 Pro Image power, zero queue.

Prompting Philosophy Has Changed Forever

Old era (2022-2025): 500-word prompts + negative prompts + embeddings + ControlNet + seed hunting

New era (Gemini 3 Pro Image):

1. Upload all references you have (up to 14)

2. Write in plain, descriptive English (or any of 100+ languages)

3. Converse to refine