GPT-6 Sol vs Gemini 3.1 Pro Preview

OpenAI GPT-6 SolGoogle Gemini 3.1 Pro Preview
VendorOpenAIGoogle
Context window1,050,0001,048,576
Max output128,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-09-222026-02-19