o3 vs o4-mini

OpenAI o3OpenAI o4-mini
VendorOpenAIOpenAI
Context window200,000200,000
Max output100,000100,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2025-04-162025-04-16