Gemini 3 Flash Preview vs GPT Image 2 Develop

Google Gemini 3 Flash PreviewOpenAI GPT Image 2 Develop
VendorGoogleOpenAI
Context window1,048,576128,000
Max output65,536—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, video, audio, filetext, image
Outputtextimage
Released2025-12-172026-04-20