gpt-4 vs Grok 4.20 (Non-Reasoning)

OpenAI gpt-4xAI Grok 4.20 (Non-Reasoning)
VendorOpenAIxAI
Context window8,1922,000,000
Max output8,1922,000,000
ReasoningNoNo
Tool callingYesYes
File inputYesYes
Inputtexttext, image
Outputtexttext
Released2023-11-062026-03-09