Grok 4.7 vs Gemini 3 Flash Preview

xAI Grok 4.7Google Gemini 3 Flash Preview
VendorxAIGoogle
Context window500,0001,048,576
Max output—65,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-09-212025-12-17