Gemini Omni Flash Preview vs gpt-4-gizmo-*

Google Gemini Omni Flash PreviewOpenAI gpt-4-gizmo-*
VendorGoogleOpenAI
Context window65,536—
Max output32,768—
ReasoningYesNo
Tool callingNoNo
File inputYesNo
Inputtext, imagetext, image
Outputvideotext
Released2026-06-30—