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AI · December 22, 2024

Open AI o3 API

Advanced reasoning models with safety-first innovation.

Open AI o3 API launched on December 22, 2024 with 141 votes, #307 of 5,365 launches that month and more than 90% of that year's launches. The site was not reachable when checked in September 2026.

Visit openai.com ↗Open AI o3 API alternativestop 6% of December 2024

What it does

OpenAI o3 and o3-mini models bring advanced reasoning capabilities to AI. Available in early access for safety researchers, these frontier models aim to redefine AI safety evaluations and risk mitigation with cutting-edge innovation.

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