Mistral Medium 3.1 API

Run mistralai/mistral-medium-3.1 through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

Mistral Medium 3.1 pricing

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

Direction Price per 1M tokens
Input$0.42
Output$2.10
Availability

Served by 1 provider

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

Provider Upstream model ID
openrouter mistralai/mistral-medium-3.1
Quickstart

Call Mistral Medium 3.1 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="mistralai/mistral-medium-3.1",
    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": "mistralai/mistral-medium-3.1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

Mistral Medium 3.1 — common questions

How much does the mistralai/mistral-medium-3.1 API cost?

On FastInfra, mistralai/mistral-medium-3.1 costs $0.42/1M input, $2.1/1M output tokens. Billing is per token used, with no subscription.

Is mistralai/mistral-medium-3.1 compatible with the OpenAI SDK?

Yes. FastInfra exposes mistralai/mistral-medium-3.1 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 mistralai/mistral-medium-3.1?

mistralai/mistral-medium-3.1 is available from 1 provider(s): openrouter. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.