gpt-4o-image vs GPT-5.4 Mini

OpenAI gpt-4o-imageOpenAI GPT-5.4 Mini
VendorOpenAIOpenAI
Context window400,000
Max output128,000
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, image
Outputimage, texttext
Released2026-03-16