Grok 4.7 vs Doubao-Seedream-5.0-pro

xAI Grok 4.7ByteDance Doubao-Seedream-5.0-pro
VendorxAIByteDance
Context window500,000—
Max output——
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextimage
Released2026-09-212026-07-08