GPT Image 2 Develop vs Nano Banana (Gemini 2.5 Flash Image 🍌)

OpenAI GPT Image 2 DevelopGoogle Nano Banana (Gemini 2.5 Flash Image 🍌)
VendorOpenAIGoogle
Context window128,00032,768
Max output32,768
ReasoningNoYes
Tool callingNoNo
File inputYesYes
Inputtext, imagetext, image
Outputimageimage
Released2026-04-192025-08-26