gpt-oss-120b vs gemini-2.5-flash

OpenAI gpt-oss-120bGoogle gemini-2.5-flash
VendorOpenAIGoogle
Context window131,0721,048,576
Max output131,07265,536
ReasoningNoYes
Tool callingYesYes
File inputNoYes
Inputtexttext, image, audio, video, file
Outputtexttext
Released2025-03-20