Phi4 Mini API

Run phi4-mini through FastInfra's OpenAI-compatible API. Free tier — no per-token charge.

Read the docs
Pricing

Phi4 Mini pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
InputFree
OutputFree
Availability

Served by 1 provider

Requests route to Ollama (free tier) by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
ollama phi4-mini
Quickstart

Call Phi4 Mini in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="phi4-mini",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "phi4-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

Phi4 Mini — common questions

How much does the phi4-mini API cost?

phi4-mini is on FastInfra's free tier — $0 per token.

Is phi4-mini compatible with the OpenAI SDK?

Yes. FastInfra exposes phi4-mini through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve phi4-mini?

phi4-mini is available from 1 provider(s): ollama. Requests route to Ollama (free tier) by default (cheapest); append ":provider" to the model ID to pin one.