GPT-5.4 vs MiniMax H3

OpenAI GPT-5.4MiniMax MiniMax H3
VendorOpenAIMiniMax
Context window1,050,000
Max output128,000
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextvideo
Released2026-03-042026-07-30