gpt-4.1-nano vs Grok 4.20 Multi-Agent

OpenAI gpt-4.1-nanoxAI Grok 4.20 Multi-Agent
VendorOpenAIxAI
Context window1,047,5762,048,000
Max output32,7681,000,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2025-04-142026-03-08