o1 vs GPT-5.4 Mini

OpenAI o1OpenAI GPT-5.4 Mini
VendorOpenAIOpenAI
Context window200,000400,000
Max output100,000128,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2024-12-052026-03-17