Doubao-Seedream-4.5 vs Claude Sonnet 4.6

ByteDance Doubao-Seedream-4.5Anthropic Claude Claude Sonnet 4.6
VendorByteDanceAnthropic Claude
Context window—1,000,000
Max output—128,000
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image, file
Outputimagetext
Released2025-12-032026-02-17