Phi-4 Mini

Tiny but capable 3.8B Phi model for on-device and low-latency inference.

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	128K context in 3.8B, On-device friendly
Tradeoffs	Lower reasoning ceiling than Phi-4

References

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

Official model links
Reference	URL
Intro	https://azure.microsoft.com/en-us/blog/phi-4-mini-small-but-mighty-reasoning-model/
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

Lifecycle

Lifecycle transitions and release timeline for this model family.

Release history
Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
Phi-4 Mini	phi-4-mini	Active	Mar 1, 2025	—	—	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	128.0K	$0.04/$0.13 per MTok.	—

Migration

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

Migration guidance
Topic	Details
Summary	Tiny on-device tier. Upgrade to Phi-4 for more demanding tasks.
Replacement models	phi-4

Timeline

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Mar 1, 2025	family_added	Phi-4 Mini published	Initial public model family launch.	Phi-4 Mini release notes

From Microsoft