gpt-4o-image vs Kimi K3

OpenAI gpt-4o-imageMoonshot Kimi K3
VendorOpenAIMoonshot
Context window1,048,576
Max output16,384
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, video, file, image
Outputimage, texttext
Released2026-07-15