Phi-4

Name: Phi-4
Author: Microsoft

by Microsoft

Chat Thinking

Phi-4 is Microsoft's small-but-capable model, trained with a heavy emphasis on high-quality and synthetic data to punch above its size on reasoning tasks. Its compact footprint makes it a practical choice for cost-sensitive and on-device deployments.

Publisher: Microsoft
Context window: 32K tokens
Sizes: 14B, 3.8B
Licence: MIT

Run Phi-4

Install it on a Pendra worker, then call it through the OpenAI-compatible API with a pdr_sk_ key.

from pendra import Pendra

client = Pendra(api_key="pdr_sk_...")

response = client.chat.completions.create(
    model="phi-4-reasoning-plus",
    messages=[{"role": "user", "content": "Hello!"}],
)

print(response.choices[0].message.content)

import { Pendra } from "pendra";

const client = new Pendra({ apiKey: "pdr_sk_..." });

const response = await client.chat.completions.create({
  model: "phi-4-reasoning-plus",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(response.choices[0].message.content);

Run Phi-4 on your own UK infrastructure

Deploy a worker, install Phi-4, and start serving it through one sovereign API endpoint.

Get started free Read the quickstart