grok-4-fast-non-reasoning vs kimi-k2-0711-preview

xAI grok-4-fast-non-reasoningMoonshot kimi-k2-0711-preview
VendorxAIMoonshot
Context window2,097,152131,072
Max output30,000131,072
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext
Outputtexttext
Released2025-08-272025-07-11