Grok 4.5 vs dall-e-3

xAI Grok 4.5OpenAI dall-e-3
VendorxAIOpenAI
Context window500,0004,000
Max output2,000,000—
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, imagetext
Outputtextimage
Released2026-07-082023-10-03