gpt-4.1 vs DeepSeek-V4-Flash 0731

OpenAI gpt-4.1DeepSeek DeepSeek-V4-Flash 0731
VendorOpenAIDeepSeek
Context window1,047,5761,000,000
Max output32,768384,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext
Outputtexttext
Released2025-04-142026-07-31