Gemini 3 Flash Preview vs chatgpt-image-latest

Google Gemini 3 Flash PreviewOpenAI chatgpt-image-latest
VendorGoogleOpenAI
Context window1,048,576
Max output65,536
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtextimage
Released2025-12-172025-12-15