Kimi K3 vs GPT Image 2.5 Dev

Moonshot Kimi K3OpenAI GPT Image 2.5 Dev
VendorMoonshotOpenAI
Context window1,048,576—
Max output1,048,576—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, videotext, image
Outputtextimage
Released2026-07-162026-09-08