gpt-3.5-turbo-16k vs Doubao-Seedream-4.5

OpenAI gpt-3.5-turbo-16kByteDance Doubao-Seedream-4.5
VendorOpenAIByteDance
Context window16,385
Max output4,096
ReasoningNoNo
Tool callingYesNo
File inputNoYes
Inputtexttext, image
Outputtextimage
Released2025-09-25