Open-source releaseModerate global significanceConfirmed confidence
Microsoft releases Phi-4
Microsoft releases its fourth-generation small-parameter model, using substantial synthetic data to strengthen basic reasoning.
What happened
Event details
Microsoft released Phi-4 on December 12, 2024. The model has 14B parameters, is open source and is classified as an autoregressive Transformer; the Microsoft Research model catalog is the primary source.
Assessment
Why it matters
An open-source release with a documented model, project scope or access condition.
67/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Publicly available as an open-source model.