Doubao-Seedream-4.5 vs gpt-image-1-mini

ByteDance Doubao-Seedream-4.5OpenAI gpt-image-1-mini
VendorByteDanceOpenAI
Context window8,000
Max output
ReasoningNoNo
Tool callingNoNo
File inputYesYes
Inputtext, imagetext, image
Outputimageimage
Released2025-09-252025-07-31