GPT-5.6 Sol vs Gemini Omni Flash Preview

OpenAI GPT-5.6 SolGoogle Gemini Omni Flash Preview
VendorOpenAIGoogle
Context window1,050,00065,536
Max output128,00032,768
ReasoningYesYes
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextvideo
Released2026-07-092026-06-30