Gemini 3.6 Flash vs gpt-4-gizmo-*

Google Gemini 3.6 FlashOpenAI gpt-4-gizmo-*
VendorGoogleOpenAI
Context window1,048,576
Max output65,536
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, image, video, audio, filetext, image
Outputtexttext
Released2026-05-19