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OpenAI releases new simulated reasoning models with full tool access
New o3 model appears “near-genius level,” according to one doctor, but it still makes mistakes.
For example, when asked about future energy usage in California, the models can autonomously search for utility data, write Python code to build forecasts, generate visualizing graphs, and explain key factors behind predictions—all within a single query. That said, the new releases continue OpenAI's tradition of selecting confusing product names that don't tell users much about each model's relative capabilities—for example, o3 is more powerful than o4-mini despite including a lower number. During the livestream announcement for o3 and o4-mini today, OpenAI President Greg Brockman boldly claimed: "These are the first models where top scientists tell us they produce legitimately good and useful novel ideas."
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