gpt-5-pro vs o3-mini

OpenAI gpt-5-proOpenAI o3-mini
VendorOpenAIOpenAI
Context window400,000200,000
Max output272,000100,000
ReasoningYesYes
Tool callingYesYes
File inputYesNo
Inputtext, imagetext
Outputtexttext
Released2025-08-072024-12-20