31st January 2025 OpenAIâs o3-mini is out today. As with other o-series models itâs a slightly difficult one to evaluateâwe now need to decide if a prompt is best run using GPT-4o, o1, o3-mini or (if we have access) o1 Pro. Confusing matters further, the benchmarks in the o3-mini system card (PDF) arenât a universal win for o3-mini across all categories. It generally benchmarks higher than GPT-4o


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