gpt-4-gizmo-* vs DeepSeek V4.1 Flash

OpenAI gpt-4-gizmo-*DeepSeek DeepSeek V4.1 Flash
VendorOpenAIDeepSeek
Context window—1,040,000
Max output—384,000
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtext, imagetext
Outputtexttext
Released—2026-09-10