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Phi

by Microsoft

Text-based LLM by Microsoft.
Text
Latest
https://huggingface.co/microsoft/phi-4
Phi-4
Phi-4-reasoning
MIT License
Major technology company.
https://huggingface.co/microsoft
April 2025
Availability
Base Model Data
No datasets made available and no information on datasets disclosed except very generic claims about filtering for high quality. Large amount of synthetic data used.
https://arxiv.org/abs/2412.08905
End User Model Data
No post-training datasets made available and no information on datasets disclosed except very generic claims about filtering for high quality. Large amount of synthetic data used.
https://arxiv.org/abs/2504.21318
Base Model Weights
Weights made available on HuggingFace.
https://huggingface.co/microsoft/phi-4
End User Model Weights
Weights made available on HuggingFace.
https://huggingface.co/microsoft/Phi-4-reasoning
Training Code
No source code found for pretraining, posttraining, or evaluation
Documentation
Code Documentation
No source code, so no documentation of source code found
Hardware Architecture
Architecture described in model card and preprint
https://arxiv.org/abs/2412.08905
Preprint
Preprints made available through arXiv.
https://arxiv.org/abs/2412.08905https://arxiv.org/abs/2504.21318
Paper
No peer-reviewed paper found.
Modelcard
Model card provides required information.
https://huggingface.co/microsoft/phi-4
Datasheet
Limited data summary, disclosed according to the template put forward by the EU AI Act.
https://huggingface.co/microsoft/phi-4/blob/main/data_summary_card.md
Access
Licenses
MIT License, an OSI-approved license.
https://huggingface.co/microsoft/Phi-4-reasoning/blob/main/LICENSE
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