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Microsoft’s most capable new Phi 4 AI model rivals the performance of far larger systems
Microsoft has launched several new 'open' AI models, the most capable of which is competitive with OpenAI's o3-mini on at least one benchmark.
They expand Microsoft’s Phi “small model” family, which the company launched a year ago to offer a foundation for AI developers building apps at the edge. Around 3.8 billion parameters in size, Phi 4 mini reasoning is designed for educational applications, Microsoft says, like “embedded tutoring” on lightweight devices. BOOK NOW “Using distillation, reinforcement learning, and high-quality data, these [new] models balance size and performance,” wrote Microsoft in a blog post.
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