phi-4

phi-4

microsoft

Microsoft's phi-4: 14B parameter model with 16K context, trained on 9.8T tokens. Optimized for reasoning and safety, MIT licensed.

PropertyValue
Parameter Count14 Billion
Context Length16K tokens
Training Data9.8T tokens
LicenseMIT
Release DateDecember 12, 2024
Model URLHuggingFace

What is phi-4?

Phi-4 is Microsoft's latest state-of-the-art language model, designed to deliver powerful AI capabilities in a relatively compact 14B parameter architecture. The model represents a significant advancement in efficient AI design, trained on a carefully curated blend of synthetic datasets, filtered public domain content, and high-quality academic materials.

Implementation Details

Built as a dense decoder-only Transformer model, phi-4 was trained over 21 days using 1920 H100-80G GPUs. The model leverages advanced training techniques including supervised fine-tuning and direct preference optimization to ensure both high performance and robust safety measures.

  • Architecture: Dense decoder-only Transformer
  • Training Duration: 21 days
  • Hardware: 1920 H100-80G GPUs
  • Context Window: 16K tokens

Core Capabilities

  • Advanced reasoning and logic processing
  • Strong performance in math and science tasks (84.8% on MMLU)
  • Excellent code generation capabilities (82.6% on HumanEval)
  • Enhanced safety features through multi-stage alignment
  • Optimized for memory-constrained environments

Frequently Asked Questions

Q: What makes this model unique?

Phi-4 stands out for its exceptional performance-to-size ratio, achieving competitive results against much larger models while maintaining a relatively compact 14B parameter size. It shows particularly strong capabilities in reasoning, math, and code generation tasks.

Q: What are the recommended use cases?

The model is ideal for scenarios requiring strong reasoning capabilities, memory-constrained environments, and latency-sensitive applications. It's particularly well-suited for research purposes and as a building block for generative AI features, especially in English language applications.

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