GPT-5.4 Nano vs Gemini 4 Argon

OpenAI GPT-5.4 NanoGoogle Gemini 4 Argon
VendorOpenAIGoogle
Context window400,0001,048,576
Max output128,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-03-172026-10-13