Phi-4

14B SLM for STEM reasoning and coding; fits consumer hardware.

Pricing

Model Overview

Tracked token-pricing fields for this model family. Empty pricing fields stay hidden until the source publishes them.

Surface

Input and output modalities, enabled feature flags, strengths, and tradeoffs.

Model capabilities
Attribute	Values
Modalities	text to text
Capabilities	batchSupportfunctionCallingstructuredOutputs
Strengths	Beats models 3× its size on STEM, Fits in 16 GB RAM
Tradeoffs	Short 16K context, text-only

References

Canonical launch, documentation, pricing, and release-note URLs.

Official model links
Reference	URL
Intro	https://azure.microsoft.com/en-us/blog/introducing-phi-4-microsoft-s-newest-small-language-model-specializing-in-complex-reasoning/
Docs	https://azure.microsoft.com/en-us/products/phi
Pricing	https://techcommunity.microsoft.com/blog/azure-ai-foundry-blog/announcing-new-phi-pricing-empowering-your-business-with-small-language-models/4395112
Release note	https://azure.microsoft.com/en-us/updates/?query=phi

Coverage

Reported benchmark families, versions, scores, sources, and notes.

Benchmark coverage
Benchmark	Version	Score	Date	Source	Notes
MMLU	2024	84.8 %	Dec 1, 2024	Microsoft	Vendor-reported
MATH	2024	80.4 %	Dec 1, 2024	Microsoft	Vendor-reported
HumanEval	2024	82.6 %	Dec 1, 2024	Microsoft	Vendor-reported

Lifecycle

Lifecycle transitions and release timeline for this model family.

Release history
Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
Phi-4	phi-4	Active	Dec 12, 2024	—	—	Current published model family snapshot.

Surfaces

Provider-specific hosting, context, pricing notes, feature differences, and provider-status context.

Host coverage
Host	Type	Context	Pricing Note	Differences
Azure AI Foundry	first-party	16.4K	$0.13/$0.52 per MTok.	—

Migration

Documented migration summary, successor families, and known breaking changes.

Migration guidance
Topic	Details
Summary	Open-weight SLM for constrained compute. Upgrade to Phi-4 MoE or Llama 3.x for larger context.

Timeline

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Dec 12, 2024	family_added	Phi-4 published	Initial public model family launch.	Phi-4 release notes

From Microsoft