Doubao-Seedream-4.5 vs o3

ByteDance Doubao-Seedream-4.5OpenAI o3
VendorByteDanceOpenAI
Context window200,000
Max output100,000
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image
Outputimagetext
Released2025-12-022025-04-16