Claude Sonnet 5.5 vs Kimi K3

Anthropic Claude Claude Sonnet 5.5Moonshot Kimi K3
VendorAnthropic ClaudeMoonshot
Context window1,000,0001,048,576
Max output128,00016,384
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, filetext, video, file, image
Outputtexttext
Released2026-09-282026-07-16