Grok 4.7 vs gpt-4.1-mini

xAI Grok 4.7OpenAI gpt-4.1-mini
VendorxAIOpenAI
Context window500,0001,047,576
Max output—32,768
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2026-09-212025-04-14