Grok 4.20 vs dall-e-2

xAI Grok 4.20OpenAI dall-e-2
VendorxAIOpenAI
Context window1,000,000—
Max output——
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextimage
Released2026-03-092022-04-06