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Model explorer

ByteDance

6 tracked models · 3 families: Doubao Seed · Seed · Doubao
ReleasedModelParamsCtxElo
Jun 2026Seed 2.1 ProCLOSED—256K2665.9Aug 2025Seed-OSS-36BOPEN36B512K1572.9Jun 2025Doubao-Seed-1.6CLOSED230B·23Ba256K1705.5Apr 2025Seed1.5-ThinkingCLOSED200B·20Ba128K1595.3Jan 2025Doubao-1.5-ProCLOSED200B·20Ba256K1473.6May 2024Doubao (1st-gen)CLOSED—128K1955.4
Release cadence
Tracked releases per quarter
1
'24 Q2
1
'25 Q1
2
'25 Q2
1
'25 Q3
1
'26 Q2