GoogleNano Banana
Nano Banana Pro
Nano Banana Pro is the stable image API named gemini-3-pro-image.
What the release provides
It takes text and image input and generates text and images. The published limits are 65,536 input tokens and 32,768 output tokens.Nano Banana Pro official API documentation
How to use it well
Practical guidance. Compare it on the final composition you need, including text placement and reference fidelity. Keep layout requirements explicit. For a sequence of assets, review the set together so individually acceptable images do not create inconsistent characters or visual scale.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Access | API |
| Model identifiers | gemini-3-pro-image |
| Context window | 65,536 tokens API input limit; reserve output capacity where the service shares one window. Nano Banana Pro official API documentation |
| Maximum output | 32,768 tokens Published API output limit; request settings can be lower. Nano Banana Pro official API documentation |