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Model explorer

ByteDance

6 tracked models · 3 families: Doubao Seed · Seed · Doubao
ReleasedModelParamsCtxElo
Jun 2026Seed 2.1 ProCLOSED—256K2617.1Aug 2025Seed-OSS-36BOPEN36B512K1576.9Jun 2025Doubao-Seed-1.6CLOSED230B·23Ba256K1680.5Apr 2025Seed1.5-ThinkingCLOSED200B·20Ba128K1598.4Jan 2025Doubao-1.5-ProCLOSED200B·20Ba256K1423.0May 2024Doubao (1st-gen)CLOSED—128K1935.8
Release cadence
Tracked releases per quarter
1
'24 Q2
1
'25 Q1
2
'25 Q2
1
'25 Q3
1
'26 Q2