GPT Image 1.0 vs Doubao-Seedream-4.5

OpenAI GPT Image 1.0ByteDance Doubao-Seedream-4.5
VendorOpenAIByteDance
Context window128,000
Max output
ReasoningNoNo
Tool callingNoNo
File inputYesYes
Inputtext, imagetext, image
Outputimageimage
Released2025-04-232025-12-02