gpt-4o-2024-08-06 vs Grok 4.20 Multi-Agent

OpenAI gpt-4o-2024-08-06xAI Grok 4.20 Multi-Agent
VendorOpenAIxAI
Context window128,0002,048,000
Max output16,3841,000,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2024-08-062026-03-08