SourceScore
SourceScore VERITAS · verified claim100% confidence

OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%).

Subject
OpenAI o3
Predicate
announced_on
Object
2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)
Primary source · official blog · 2024-12-20
OpenAI o3 and o3-mini — early access announcement OpenAI
Last verified 2026-05-16 · 2 sources · 64f231c18b7b0560View full claim →