gpt-4o-image vs gemini-2.5-flash

OpenAI gpt-4o-imageGoogle gemini-2.5-flash
VendorOpenAIGoogle
Context window—1,048,576
Max output—65,536
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, image, audio, video, file
Outputimage, texttext
Released—2025-03-20