Gemini 3 Flash Preview vs grok-4-fast-non-reasoning

Google Gemini 3 Flash PreviewxAI grok-4-fast-non-reasoning
VendorGooglexAI
Context window1,048,5762,097,152
Max output65,53630,000
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtexttext
Released2025-12-172025-08-27