o3-mini vs GPT-5.4 Mini

OpenAI o3-miniOpenAI GPT-5.4 Mini
VendorOpenAIOpenAI
Context window200,000400,000
Max output100,000128,000
ReasoningYesYes
Tool callingYesYes
File inputNoYes
Inputtexttext, image
Outputtexttext
Released2024-12-202026-03-16