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OpenAI's Public o3 Model Underperforms Company's Initial Benchmark Claims

Independent testing by Epoch AI revealed OpenAI's publicly released o3 model scores significantly lower on the FrontierMath benchmark (10%) than the company's initially claimed 25% figure. OpenAI clarified that the public model is optimized for practical use cases and speed rather than benchmark performance, highlighting ongoing issues with transparency and benchmark reliability in the AI industry.