gpt-4.1-nano vs DeepSeek V4.1 Flash

OpenAI gpt-4.1-nanoDeepSeek DeepSeek V4.1 Flash
VendorOpenAIDeepSeek
Context window1,047,5761,040,000
Max output32,768384,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext
Outputtexttext
Released2025-04-142026-09-10