Kimi K2.5 vs GPT Image 2 Develop

Moonshot Kimi K2.5OpenAI GPT Image 2 Develop
VendorMoonshotOpenAI
Context window256,144128,000
Max output16,384—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, video, file, imagetext, image
Outputtextimage
Released2026-01-272026-04-20