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OpenAI
o3 family
5 releases · Elo progression and succession lineage (D9)
Elo progression
Jan 2025
OpenAI o3-mini (High)
CLOSED
—
1622.7
Jan 2025
OpenAI o3-mini (Low)
CLOSED
—
1309.0
Jan 2025
OpenAI o3-mini (Medium)
CLOSED
—
1462.9
Apr 2025
OpenAI o3
CLOSED
—
succeeds OpenAI o3-mini (Medium)
+433.4
1896.3
Jun 2025
OpenAI o3-pro
CLOSED
—
succeeds OpenAI o3
+170.7
2067.0