gemini-2.5-flash vs GPT-5

Google gemini-2.5-flashOpenAI GPT-5
VendorGoogleOpenAI
Context window1,048,576400,000
Max output65,536128,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, audio, video, filetext, image
Outputtexttext
Released2025-03-202025-08-07