Gemini 3.1 Flash-Lite vs grok-4-fast-non-reasoning

Google Gemini 3.1 Flash-LitexAI grok-4-fast-non-reasoning
VendorGooglexAI
Context window1,048,5762,097,152
Max output65,53630,000
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, image, audio, video, filetext, image
Outputtexttext
Released2026-03-022025-08-27