chatgpt-image-latest vs Gemini 3.5 Flash

OpenAI chatgpt-image-latestGoogle Gemini 3.5 Flash
VendorOpenAIGoogle
Context window1,048,576
Max output65,536
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image, video, audio, file
Outputimagetext
Released2025-12-152026-05-19