Gemini 3.1 Pro Preview vs kimi-k2-thinking

Google Gemini 3.1 Pro PreviewMoonshot kimi-k2-thinking
VendorGoogleMoonshot
Context window1,048,576262,144
Max output65,536262,144
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext
Outputtexttext
Released2026-02-192025-11-06