Family
Light
OpenAI
GPT-5 family
5 releases · Elo progression and succession lineage (D9)
Elo progression
Aug 2025
GPT-5
CLOSED
—
2082.7
Aug 2025
GPT-5 mini
CLOSED
—
1873.5
Aug 2025
GPT-5 nano
CLOSED
—
1595.3
Aug 2025
GPT-5 Pro
CLOSED
—
2349.9
Sep 2025
GPT-5-Codex
CLOSED
—
succeeds GPT-5
2103.4