GPT-5.4 Nano vs gemini-2.5-flash-lite

OpenAI GPT-5.4 NanoGoogle gemini-2.5-flash-lite
VendorOpenAIGoogle
Context window400,0001,048,576
Max output128,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, audio, video, file
Outputtexttext
Released2026-03-172025-06-17