Family
Light
Upstage
SOLAR family
4 releases · Elo progression and succession lineage (D9)
Elo progression
Dec 2023
Upstage SOLAR 10.7B
OPEN
10.7B
396.9
Sep 2024
Upstage Solar Pro
OPEN
22B
succeeds Upstage SOLAR 10.7B
+350.7
747.6
Jul 2025
Upstage Solar Pro 2 (Chat)
CLOSED
31B
succeeds Upstage Solar Pro
1103.4
Jul 2025
Upstage Solar Pro 2 (Reasoning)
CLOSED
31B
succeeds Upstage Solar Pro
1419.4