Unverified50% confidenceEventExact time
The o3 model was officially released in April 2025.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/9/2026
First Seen
Valid until: 12/8/2026
Sources
Related Entities
Related Claims
Partially VerifiedO4 Mini is a reasoning-optimized model launched by OpenAI in 2025 and belongs to the O series.72% similarUnverifiedThe N2 model was officially released in June 2025.71% similarUnverifiedo1-preview was announced for release on September 12, 2024, marking the beginning of the era of reasoning models.69% similar
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