Doubao-Seedream-5.0-pro vs gpt-4o

ByteDance Doubao-Seedream-5.0-proOpenAI gpt-4o
VendorByteDanceOpenAI
Context window—128,000
Max output—16,384
ReasoningNoNo
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image
Outputimagetext
Released2026-07-082024-05-13