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OpenAI
o3 family
5 releases · Elo progression and succession lineage (D9)
Elo progression
Jan 2025
OpenAI o3-mini (High)
CLOSED
—
1582.7
Jan 2025
OpenAI o3-mini (Low)
CLOSED
—
1269.8
Jan 2025
OpenAI o3-mini (Medium)
CLOSED
—
1423.3
Apr 2025
OpenAI o3
CLOSED
—
succeeds OpenAI o3-mini (Medium)
+431.8
1855.1
Jun 2025
OpenAI o3-pro
CLOSED
—
succeeds OpenAI o3
+185
2040.1