Kimi K2.6 vs gpt-4.1

Moonshot Kimi K2.6OpenAI gpt-4.1
VendorMoonshotOpenAI
Context window256,1441,047,576
Max output16,38432,768
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, video, file, imagetext, image
Outputtexttext
Released2026-04-192025-04-14