GPT Image 2 Develop vs Gemini 3.1 Pro Preview

OpenAI GPT Image 2 DevelopGoogle Gemini 3.1 Pro Preview
VendorOpenAIGoogle
Context window128,0001,048,576
Max output65,536
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputimagetext
Released2026-04-192026-02-19