Microsoft introduces 14-billion-parameter Phi-4
Microsoft introduced Phi-4, a 14-billion-parameter reasoning model trained with synthetic and curated data and made available through Azure AI Foundry under a research release.
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Why it moved the index
A compact model delivered strong mathematical and reasoning performance at materially lower serving requirements and entered Azure AI Foundry. The immutable model card establishes the exact Phi-4 identity and release date.
Assessment history
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R1
Toward 57 · confidence 99
New December 2024 exact compact reasoning model with no durable identity collision.
12 Aug 2026
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DoomBench assesses “Microsoft introduces 14-billion-parameter Phi-4” as evidence moving toward doom, with magnitude 57 and confidence 99 out of 100 in the capability gains category.
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The DoomBench assessment of “Microsoft introduces 14-billion-parameter Phi-4” is based on reporting from Microsoft and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Microsoft introduces 14-billion-parameter Phi-4” as follows: Microsoft introduced Phi-4, a 14-billion-parameter reasoning model trained with synthetic and curated data and made available through Azure AI Foundry...
https://www.doombench.com/news/microsoft-introduces-14-billion-parameter-phi-4-2024-12-12