gpt-5-pro vs Doubao-Seedream-5.0-lite

OpenAI gpt-5-proByteDance Doubao-Seedream-5.0-lite
VendorOpenAIByteDance
Context window400,000
Max output272,000
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, imagetext, image
Outputtextimage
Released2025-08-072026-02-12