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OpenAI Unveils o3 Mini: Faster, Low‑Cost AI Reasoning Model

Lead OpenAI revealed that it will roll out o3 Mini , a new AI reasoning model, on September 12, 2026 . The company says the model delivers near‑state‑of‑the‑art performance while using a fraction of…

  • OpenAI launches o3 Mini on September 12, 2026
  • 2.3-billion-parameter model with 3x faster inference
  • 70% lower energy consumption per token than o3 Standard

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