gemini-2.5-flash vs gpt-4o

Google gemini-2.5-flashOpenAI gpt-4o
VendorGoogleOpenAI
Context window1,048,576128,000
Max output65,53616,384
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, image, audio, video, filetext, image
Outputtexttext
Released2025-03-202024-05-13