Doubao-Seedream-4.5 vs gpt-5-search-api

ByteDance Doubao-Seedream-4.5OpenAI gpt-5-search-api
VendorByteDanceOpenAI
Context window—128,000
Max output——
ReasoningNoNo
Tool callingNoNo
File inputYesNo
Inputtext, imagetext, image
Outputimagetext
Released2025-09-262025-10-14