gpt-5-pro vs o4-mini

OpenAI gpt-5-proOpenAI o4-mini
VendorOpenAIOpenAI
Context window400,000200,000
Max output272,000100,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2025-08-072025-04-16