gpt-5-mini vs Gemini Omni Flash Preview

OpenAI gpt-5-miniGoogle Gemini Omni Flash Preview
VendorOpenAIGoogle
Context window400,00065,536
Max output128,00032,768
ReasoningYesYes
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextvideo
Released2025-08-072026-06-29