gpt-5-search-api vs gemini-2.5-pro

OpenAI gpt-5-search-apiGoogle gemini-2.5-pro
VendorOpenAIGoogle
Context window128,0001,048,576
Max output—65,536
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtext, imagetext, image, audio, video, file
Outputtexttext
Released2025-10-142025-03-20