Weights aren’t public. Use is governed by Google’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: ai.google.dev.
How good is it?
Public leaderboard scores for Nano Banana Pro, refreshed daily from Epoch AI and LMArena.
81Quality
Top 19% of the 82 models on the LMArena Text to Image: #16.
Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.
Two edits of the same image; people pick the better one.1,390 rating
Listed as gemini-3-pro-image-2k (nano-banana-pro)
Scores from LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits
Where to run it
13 providers sell Nano Banana Pro through an API. Prices are per million tokens, cheapest first.