Nano Banana brought 10M new users to Gemini and powered 200M edits in weeks. The 3D figurine craze ran on it. That single image model became Google's biggest consumer growth lever of 2025. Now OpenAI is set up to run that exact play, with a quantifiably better model and a bigger platform. GPT-Image-2 just hit a 242-point Elo lead over Nano Banana 2, the widest #1 margin in image arena history. Adobe integrated Nano Banana into Photoshop and Firefly. Google Slides built "Help me visualize"…