Family
Light
OpenAI
o3 family
5 releases · Elo progression and succession lineage (D9)
Elo progression
Jan 2025
OpenAI o3-mini (High)
CLOSED
—
1653.0
Jan 2025
OpenAI o3-mini (Low)
CLOSED
—
1334.3
Jan 2025
OpenAI o3-mini (Medium)
CLOSED
—
1485.5
Apr 2025
OpenAI o3
CLOSED
—
succeeds OpenAI o3-mini (Medium)
+441.3
1926.8
Jun 2025
OpenAI o3-pro
CLOSED
—
succeeds OpenAI o3
+176.8
2103.6