phi-4 Free API on Hugging Face

Free API

Available from Hugging Face

★★★★★★★★★★ 3.5 Benchmark-backed score

phi-4 — free model from Hugging Face.

Free APIOpenAI compatibleJSON modeText

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://router.huggingface.co/v1

Model ID

phi-4

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

phi-4 specifications

Provider catalog

Context window 16K

Max output 4K

Status Online

Family phi-4

Knowledge cutoff 2023-10

Released Dec 12, 2024

Last updated Sep 30, 2026

Free listing since Dec 11, 2024

Input text

Output text

Capabilities structured output

Open weights Yes

AI Recommendation

Should you use phi-4?

phi-4 is listed for chat workloads and supports a 16K context window.

Use it when Hugging Face's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Structured JSON output

Watch outs

Free-tier rate limits apply
Vision support is not listed
Tool calling is not confirmed

Benchmark Overview

Benchmark signals for phi-4

Measured data

Intelligence General reasoning and instruction following

5.9/100

Coding Programming and code generation

11.2/100

Speed Observed generation speed

40 tok/s

Context Maximum listed context window

16K

Pricing

phi-4 pricing per 1M tokens

Free tier listed

Input $0.13 per 1M tokens

Output $0.5 per 1M tokens

Access Available Hugging Face

Rate limit Credit-metered provider policy

Availability

phi-4 availability by provider

Current provider only

We only found this phi-4 listing on Hugging Face in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
Hugging Face	phi-4	Free tier	16K	Native	Credit-metered

View Hugging Face setup guide →

Compare

phi-4 alternatives to consider

Open comparison

Model	Provider	Context	Access
Meta-Llama-3.1-8B-Instruct	Hugging Face	128K	Free tier
gemma-3-4b-it	Hugging Face	131K	Free tier
Qwen2.5-Coder-7B-Instruct	Hugging Face	131K	Free tier
Qwen2.5-7B-Instruct	Hugging Face	131K	Free tier
Mistral-7B-Instruct-v0.3	Hugging Face	32K	Check provider

Typical Use Cases

phi-4 use cases

Chat

phi-4 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

phi-4 free API FAQ

Is phi-4 free to use?

phi-4 is listed with free API access on Hugging Face, subject to the provider's quota and account policy.

What is the phi-4 model ID?

The model ID shown in this catalog is phi-4.

What are the phi-4 free tier rate limits on Hugging Face?

The listed free tier limit is Credit-metered. Limits can change per account tier, so confirm against the provider dashboard.

What context window does phi-4 support?

The listed context window is 16K tokens with up to 4K output tokens.

More about phi-4