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.
Phi-4 Free API on GitHub Models
Free API Available from GitHub Models
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
Free APIOpenAI compatibleReasoningJSON modeTextReasoning
API Details
Copy-ready connection details
Base URL
https://models.github.ai/inference Model ID
Phi-4 API format OpenAI Chat Completions
Technical Details
Phi-4 specifications
Context window 131K
Max output 4K
Status Online
Family phi-4
Knowledge cutoff 2023-10
Released Dec 12, 2024
Last updated Sep 28, 2026
Free listing since Dec 12, 2024
Input text, reasoning
Output text
Capabilities reasoning, structured output
Open weights Yes
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
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
131K Pricing
Phi-4 pricing per 1M tokens
Input $0.13 per 1M tokens
Output $0.5 per 1M tokens
Access Available GitHub Models
Rate limit See provider page provider policy
Availability
Phi-4 availability by provider
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 |
|---|---|---|---|---|---|
| | Phi-4 | Free tier | 131K | OpenAI-style | See provider page |
Compare
Phi-4 alternatives to consider
| 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 | Check provider |
| gpt-4.1 | GitHub Models | 1.0M | Check provider |
| gpt-4.1-mini | GitHub Models | 1.0M | Check provider |
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
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
For API keys, setup steps, and provider-level limits, see the GitHub Models provider page.