gpt-4.1-nano vs o4-mini

OpenAI gpt-4.1-nanoOpenAI o4-mini
VendorOpenAIOpenAI
Context window1,047,576200,000
Max output32,768100,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2025-04-142025-04-16