Doubao-Seedream-4.5 vs gpt-4-gizmo-*

ByteDance Doubao-Seedream-4.5OpenAI gpt-4-gizmo-*
VendorByteDanceOpenAI
Context window
Max output
ReasoningNoNo
Tool callingNoNo
File inputYesNo
Inputtext, imagetext, image
Outputimagetext
Released2025-12-02