Doubao-Seedream-5.0-pro vs GPT Image 1.0

ByteDance Doubao-Seedream-5.0-proOpenAI GPT Image 1.0
VendorByteDanceOpenAI
Context window—128,000
Max output——
ReasoningNoNo
Tool callingNoNo
File inputYesYes
Inputtext, imagetext, image
Outputimageimage
Released2026-07-082025-04-23