Family
Light
ByteDance
Seed family
2 releases · Elo progression and succession lineage (D9)
Elo progression
Apr 2025
Seed1.5-Thinking
CLOSED
200B·20Ba
1595.3
Aug 2025
Seed-OSS-36B
OPEN
36B
succeeds Seed1.5-Thinking
-22.4
1572.9