Claude Sonnet 5.5 vs Doubao-Seedream-5.0-pro

Anthropic Claude Claude Sonnet 5.5ByteDance Doubao-Seedream-5.0-pro
VendorAnthropic ClaudeByteDance
Context window1,000,000—
Max output128,000—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, filetext, image
Outputtextimage
Released2026-09-282026-07-08