Doubao-Seedream-4.5 vs GPT Image 1.0

ByteDance Doubao-Seedream-4.5OpenAI GPT Image 1.0
VendorByteDanceOpenAI
Context window—128,000
Max output——
ReasoningNoNo
Tool callingNoNo
File inputYesYes
Inputtext, imagetext, image
Outputimageimage
Released2025-09-262025-04-23