Gemini 3 Flash Preview vs gpt-4o-all

Google Gemini 3 Flash PreviewOpenAI gpt-4o-all
VendorGoogleOpenAI
Context window1,048,576—
Max output65,536—
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, image, video, audio, file—
Outputtext—
Released2025-12-17—