gemini-3-pro-image

Overview

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and high-fidelity visual synthesis. The model generates context-rich graphics, from infographics and diagrams to cinematic composites, and can incorporate real-time information via Search grounding.

• Model type: Text generation
• Input: Text / Image
• Output: Text / Image
• Endpoints: chat

Code example

Call with gemini-3-pro-image_t :

curl https://www.starunion.net/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-pro-image_t",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'