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Phi-4

by Microsoft

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Phi-4 is Microsoft Research's 14B parameter dense decoder-only Transformer. Trained on ~16B tokens (~8.3B unique) from synthetic + curated web data. Released 2024-12-12. Fully open-weights under MIT license — usable commercially without restriction.

Refreshed weekly

Model details

Model family
Phi
Base model
—
Context window
16K tokens
Input modalities
text
Output modalities
text
Access
Open source · MIT
Pricing
self hosted or via partner
API available
No
Model card / docs
https://huggingface.co/microsoft/phi-4

Mantle Index

Equity Score

Mixed

Measures fairness across demographic groups. Higher is more equitable.

67/ 100

Safety Score

Mixed

Measures resistance to harmful outputs. Higher is safer.

70/ 100

The Equity Score and Safety Score roll up the latest Mantle Index assessment. Component breakdowns and risk-tier justification are available on Pro and Enterprise.

Benchmark sub-scores

Security score

4/ 100 · Needs work

Computed from compliance, encryption, data handling, documentation, and vendor contacts — multiplied by research confidence (low).

Vendor contacts

Certifications

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Research coverage

0 dimensions fully covered · 0 partially covered.

    Supply chain

    No supply-chain links recorded yet.

    Citations

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    Recent changes

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