OpenAI o4-mini携强化微调正式上线，AI专业能力迈向专家级
5月8日，OpenAI o4-mini携强化微调正式上线。这两项技术的结合彻底改变了AI专业化的成本结构和技术门槛，让企业能以少量训练数据将通用AI迅速转变为特定领域的专家系统。从通用智能到专家级AI的跨越式飞跃强化微调技术作为此次发布的核心亮点，标志着OpenAI在定制化模型领域取得重大突破。与传统的监督式微调不同，RFT基于强化学习算法，通过奖励驱动的训练循环优化模型表现。这一方法无需开发者提供固定的目标输出，而是利用评分器（Grader）评估模型回答质量，引导AI学习复杂任务
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