Grok Build 0.1 vs Gemini 3.5 Flash

xAI Grok Build 0.1Google Gemini 3.5 Flash
VendorxAIGoogle
Context window256,0001,048,576
Max output—65,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-05-302026-05-19