Grok 4.20 Multi-Agent vs kimi-k2-thinking

xAI Grok 4.20 Multi-AgentMoonshot kimi-k2-thinking
VendorxAIMoonshot
Context window2,048,000262,144
Max output1,000,000262,144
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext
Outputtexttext
Released2026-03-092025-11-06