gpt-5-pro vs kimi-k2-0711-preview

OpenAI gpt-5-proMoonshot kimi-k2-0711-preview
VendorOpenAIMoonshot
Context window400,000131,072
Max output272,000131,072
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext
Outputtexttext
Released2025-08-072025-07-11