MiniMax H3 vs GPT-5.1

MiniMax MiniMax H3OpenAI GPT-5.1
VendorMiniMaxOpenAI
Context window400,000
Max output128,000
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image
Outputvideotext
Released2026-07-302025-11-12