Gemini 3.5 Flash vs o3-deep-research

Google Gemini 3.5 FlashOpenAI o3-deep-research
VendorGoogleOpenAI
Context window1,048,576200,000
Max output65,536100,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtexttext
Released2026-05-192024-06-26