GPT-5.4 Mini vs DeepSeek-V3.2

OpenAI GPT-5.4 MiniDeepSeek DeepSeek-V3.2
VendorOpenAIDeepSeek
Context window400,000128,000
Max output128,00064,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2026-03-172025-12-01