Grok 4.20 Multi-Agent vs Gemini 3 Pro Preview

xAI Grok 4.20 Multi-AgentGoogle Gemini 3 Pro Preview
VendorxAIGoogle
Context window2,048,0001,000,000
Max output1,000,00064,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-03-082025-11-18