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Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

Google
Vision
131K
Context
$1.00
Input /1M
$2.00
Output /1M
8K
Max Output
Run API Call Open in Chat

Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

Model Overview

Property Value
Model ID google/gemini-3-pro-image-preview
Name Nano Banana Pro
Provider Google
Released 2025

Description

A high-capability image-focused model codenamed Nano Banana Pro. Part of the Gemini 3 Pro family with specialized capabilities for advanced image understanding and generation.

Specifications

Spec Value
Context Window 131,072 tokens
Max Completion 8,192 tokens
Modalities Text, Image

Pricing

Type Price
Input $1.00 per 1M tokens
Output $2.00 per 1M tokens

Capabilities

  • Image Understanding: Yes
  • Image Generation: Yes
  • Advanced Vision: Yes

Integration with LangMart

Gateway Support: Type 2 (Cloud), Type 3 (Self-hosted)

API Usage:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-pro-image-preview",
    "messages": [{"role": "user", "content": "Analyze this image"}],
    "max_tokens": 4096
  }'
  • google/gemini-3-pro-preview - Standard Pro preview
  • google/gemini-2.5-flash-image - Flash image variant

Last Updated: December 28, 2025