o4-mini vs Gemini 3 Flash Preview

OpenAI o4-miniGoogle Gemini 3 Flash Preview
VendorOpenAIGoogle
Context window200,0001,048,576
Max output100,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2025-04-162025-12-17