Nanobanana Lab

nanobanana LAB

Describe an image below.
Your generations land here — swipe to browse.

Settings

Gemini API key

Stored only in this browser. Get a key

Model

Nano Banana 2 gemini-3.1-flash-image · balanced · up to 4K Nano Banana 2 Lite gemini-3.1-flash-lite-image · fastest · 1K only Nano Banana Pro gemini-3-pro-image · highest quality · up to 4K

Resolution

Aspect ratio

Parallel images · 2

Generation options Thinking high thinking level for harder prompts Search grounding ground the image in Google Search Image search Nano Banana 2 only Random seed different seed for each parallel image Prompt expansion rewrites your prompt with Gemini 3.5 Flash-Lite

Generated images include a SynthID watermark.
Requests go directly from this browser to the Gemini API.