Grok 4.20 Multi-Agent vs gpt-4-turbo

xAI Grok 4.20 Multi-AgentOpenAI gpt-4-turbo
VendorxAIOpenAI
Context window2,048,000128,000
Max output1,000,0004,096
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2026-03-082023-11-06