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

OpenAI gpt-4o-imageGoogle Nano Banana (Gemini 2.5 Flash Image 🍌)
VendorOpenAIGoogle
Context window32,768
Max output32,768
ReasoningNoYes
Tool callingNoNo
File inputNoYes
Inputtexttext, image
Outputimage, textimage
Released2025-08-26