kimi-k2-thinking vs GPT Image 2 Develop

Moonshot kimi-k2-thinkingOpenAI GPT Image 2 Develop
VendorMoonshotOpenAI
Context window262,144128,000
Max output262,144—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtexttext, image
Outputtextimage
Released2025-11-062026-04-20