Doubao-Seedream-4.5 vs gpt-4-turbo-preview

ByteDance Doubao-Seedream-4.5OpenAI gpt-4-turbo-preview
VendorByteDanceOpenAI
Context window—128,000
Max output—4,096
ReasoningNoNo
Tool callingNoYes
File inputYesNo
Inputtext, imagetext
Outputimagetext
Released2025-09-26—