OpenAI: o3 Release Date
o3 was released on 2025-04-16, which was 566 days ago. Its recency score is 73.
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
Release date
2025-04-16
Recency score
73
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Frequently asked questions
When was o3 released?
o3 was released on 2025-04-16, which was 566 days ago. Its recency score is 73.