Phi-4 Free API on GitHub Models

Free API

Available from GitHub Models

★★★★★★★★★★ 3.5 Benchmark-backed score

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

Free APIOpenAI compatibleReasoningJSON modeTextReasoning

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://models.github.ai/inference

Model ID

Phi-4

API format OpenAI Chat Completions

Technical Details

Phi-4 specifications

Provider catalog

Context window 131K

Max output 4K

Status Online

Family phi-4

Knowledge cutoff 2023-10

Released Dec 12, 2024

Last updated Jul 28, 2026

Free listing since Dec 12, 2024

Input text, reasoning

Output text

Capabilities reasoning, structured output

AI Recommendation

Should you use Phi-4?

Phi-4 is listed for reasoning workloads and supports a 131K context window.

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

Best for

Reasoning

Strengths & Weaknesses

Strengths

Strong reasoning profile
Long context window
Reasoning mode listed
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

10.4/100

Coding Programming and code generation

11.2/100

Speed Observed generation speed

29 tok/s

Context Maximum listed context window

131K

Pricing

Phi-4 pricing per 1M tokens

Free tier listed

Input $0.13 per 1M tokens

Output $0.5 per 1M tokens

Free access Available GitHub Models

Rate limit See provider page provider policy

Availability

Phi-4 availability by provider

Current provider only

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

Provider	Model listing	Access	Context	API	Limits
GitHub Models	Phi-4	Free tier	131K	OpenAI-style	See provider page

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Compare

Phi-4 alternatives to consider

Open comparison

Model	Provider	Context	Access
Mistral Large (24.11)	GitHub Models	131K	Free tier
AI21 Jamba 1.5 Large	GitHub Models	256K	Free tier
gpt-5	GitHub Models	200K	Free tier
gpt-4.1	GitHub Models	1.0M	Free tier
gpt-4.1-mini	GitHub Models	1.0M	Free tier

Typical Use Cases

Phi-4 use cases

Reasoning

Phi-4 is tagged for reasoning 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 GitHub Models, 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 context window does Phi-4 support?

The listed context window is 131K tokens with up to 4K output tokens.

More about Phi-4