OpenAI hits back at DeepSeek with o3-mini reasoning model
Over the last week, OpenAI’s place atop the AI model hierarchy has been heavily challenged by Chinese model DeepSeek. Today, OpenAI struck back with the public release of o3-mini, its latest simulated reasoning model and the first of its kind the company will offer for free to all users without a subscription.
First teased last month, OpenAI brags in today’s announcement that o3-mini “advances the boundaries of what small models can achieve.” Like September’s o1-mini before it, the model has been optimized for STEM functions and shows “particular strength in science, math, and coding” despite lower operating costs and latency than o1-mini, OpenAI says.
Harder, better, faster, stronger
Users are able to choose from three different “reasoning effort options” when using o3-mini, allowing them to fine-tune a balance between latency and accuracy depending on the task. The lowest of these reasoning levels generally shows accuracy levels comparable to o1-mini in math and coding benchmarks, according to OpenAI, while the highest matches or surpasses the full-fledged o1 model in the same tests.
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