Grok 4.20 Multi-Agent vs gpt-3.5-turbo-16k

xAI Grok 4.20 Multi-AgentOpenAI gpt-3.5-turbo-16k
VendorxAIOpenAI
Context window2,048,00016,385
Max output1,000,0004,096
ReasoningYesNo
Tool callingYesYes
File inputYesNo
Inputtext, imagetext
Outputtexttext
Released2026-03-08