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Google: Nano Banana Pro (Gemini 3 Pro Image)

Google
google/gemini-3-pro-image

About this model

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...

Make a request

OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.

curl https://promptix.tn/api/v1/chat/completions \  -H "Authorization: Bearer $PROMPTIX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "google/gemini-3-pro-image",    "messages": [      {"role": "user", "content": "Hello! What can you do?"}    ]  }'

Pricing

In TND per 1M tokens. VAT and the platform fee are added at top-up.

Input tokens

6.645 TND

per 1M tokens

Output tokens

39.871 TND

per 1M tokens

1,000 requests with 1K input and 500 output tokens cost about 26.581 TND.

Specifications

Provider
Google
Context window
131,072 tokens
Input modality
Text, Image
Added
Jun 18, 2026
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperature