gpt-4o-image vs Kimi K2.5

OpenAI gpt-4o-imageMoonshot Kimi K2.5
VendorOpenAIMoonshot
Context window—256,144
Max output—16,384
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, video, file, image
Outputimage, texttext
Released—2026-01-27