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

OpenAI gpt-4Google Nano Banana (Gemini 2.5 Flash Image 🍌)
VendorOpenAIGoogle
Context window8,19232,768
Max output8,19232,768
ReasoningNoYes
Tool callingYesNo
File inputYesYes
Inputtexttext, image
Outputtextimage
Released2023-11-062025-08-26