OpenAI API Models o3-mini end of life
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There are 35 days until OpenAI API Models o3-mini end of life, on Friday, 23 October 2026.
OpenAI API Models o3-mini reaches end of life on October 23, 2026: upstream support ends and no further security fixes are expected. It was released on January 31, 2025. Active support ended on April 22, 2026.
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Last verified Sep 18, 2026
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