Gemini 3 Flash Preview vs Grok 4.20 Multi-Agent

Google Gemini 3 Flash PreviewxAI Grok 4.20 Multi-Agent
VendorGooglexAI
Context window1,048,5762,048,000
Max output65,5361,000,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtexttext
Released2025-12-172026-03-08