gpt-4o-image vs Gemini 4 Argon

OpenAI gpt-4o-imageGoogle Gemini 4 Argon
VendorOpenAIGoogle
Context window—1,048,576
Max output—65,536
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, image, video, audio, file
Outputimage, texttext
Released—2026-10-13