Grok 4.20 Multi-Agent vs GLM 5.2

xAI Grok 4.20 Multi-AgentZ.ai GLM 5.2
VendorxAIZ.ai
Context window2,048,0001,000,000
Max output1,000,000128,000
ReasoningYesYes
Tool callingYesYes
File inputYesNo
Inputtext, imagetext
Outputtexttext
Released2026-03-082026-06-15