Grok 4.6 vs Gemini 3.6 Flash

xAI Grok 4.6Google Gemini 3.6 Flash
VendorxAIGoogle
Context window500,0001,048,576
Max output2,000,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-08-122026-05-19