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| Developed by | Micro |
| Description | phi-4 is a state-of-the-art open model built upon a blend of synthetic datasets, data from filtered public domain websites, and acquired academic books and Q&A datasets. The goal of this approach was to ensure that small capable models were trained with data focused on high quality and advanced reasoning.phi-4 underwent a rigorous enhancement and alignment process, incorporating both supervised fine-tuning and direct preference optimization to ensure precise instruction adherence and robust safety measures |
| Architecture | 14B parameters, dense decoder-only Transformer model |
| Inputs | Text, best suited for prompts in the chat format |
| Context length | 16K tokens |
| GPUs | 1920 H100-80G |
| Training time | 21 days |
| Training data | 9.8T tokens |
| Outputs | Generated text in response to input |
| Dates | October 2024 – November 2024 |
| Status | Static model trained on an offline dataset with cutoff dates of June 2024 and earlier for publicly available data |
| Release date | March 17, 2025 |
| License | MIT |