o3-mini vs gpt-5-pro

OpenAI o3-miniOpenAI gpt-5-pro
VendorOpenAIOpenAI
Context window200,000400,000
Max output100,000272,000
ReasoningYesYes
Tool callingYesYes
File inputNoYes
Inputtexttext, image
Outputtexttext
Released2024-12-202025-08-07