AI model · Google
Nano Banana Pro (Gemini 3 Pro Image)
Model ID: google/gemini-3-pro-image
- Input
- $2 per 1M tokens
- Output
- $12 per 1M tokens
- Context
- 131K tokens at once
- Max output
- 33K tokens per reply
- Released
- 18 Jun 2026 Google
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes image, text; gives image, text.
How its listing describes it
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...
Sources
- Google: Nano Banana Pro (Gemini 3 Pro Image) on OpenRouter — read 2 Oct 2026