Nano Banana (Gemini 2.5 Flash Image 🍌) vs gpt-4o-all

Google Nano Banana (Gemini 2.5 Flash Image 🍌)OpenAI gpt-4o-all
VendorGoogleOpenAI
Context window32,768—
Max output32,768—
ReasoningYesNo
Tool callingNoNo
File inputYesNo
Inputtext, image—
Outputimage—
Released2025-08-26—