Gemini 3.5 Flash vs chatgpt-image-latest

Google Gemini 3.5 FlashOpenAI chatgpt-image-latest
VendorGoogleOpenAI
Context window1,048,576
Max output65,536
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtextimage
Released2026-05-192025-12-15