Grok 4.20 (Non-Reasoning) vs Gemini 3 Flash Preview

xAI Grok 4.20 (Non-Reasoning)Google Gemini 3 Flash Preview
VendorxAIGoogle
Context window2,000,0001,048,576
Max output2,000,00065,536
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputtexttext
Released2026-03-082025-12-17