Gemini 3 Flash Preview vs Claude Sonnet 4.6

Google Gemini 3 Flash PreviewAnthropic Claude Claude Sonnet 4.6
VendorGoogleAnthropic Claude
Context window1,048,5761,000,000
Max output65,536128,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtexttext
Released2025-12-172026-02-16