grok-3 vs gpt-5-search-api

xAI grok-3OpenAI gpt-5-search-api
VendorxAIOpenAI
Context window131,072128,000
Max output8,192—
ReasoningNoNo
Tool callingYesNo
File inputYesNo
Inputtexttext, image
Outputtexttext
Released2025-02-172025-10-14