Mistral Small 4

Price

Input

$0.15 per 1M tokens

Output

$0.6 per 1M tokens

Notes

Standard tier. Cached input $0.015.

Source

Mistral AI pricing , last verified October 8, 2026

No markup on model usage: you pay the provider's list price.

Model

Context

256K (256,000 tokens)

Modality

Text and image

Input

text, image

Output

text

Weights

Open weights

Released

March 16, 2026

Tags

open-weights, reasoning, coding, low-cost

Docs

Provider documentation

Data policy

Prompts go to

Mistral AI (global endpoint by default)

Retention

Commercial terms: no training on customer data unless opted in, with exceptions, Studio Free mode may train on inputs and outputs (opt-out available), pay-as-you-go can opt out, ZDR available on pay-as-you-go for stateless endpoints

Zero data retention

Available

Region

Global by default, optional EU or US regional inference endpoints at 1.1x pricing

Policy

Mistral AI data policy

Summarised from the provider's published terms. The provider's own policy is what applies.

Call it with any OpenAI SDK

Available when the model is live

from openai import OpenAI

client = OpenAI(
    base_url="https://api.safeguard.sh/v1",
    api_key="SAFEGUARD_API_KEY",
)

response = client.chat.completions.create(
    model="mistral/mistral-small-2603",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Base URL https://api.safeguard.sh/v1, model mistral/mistral-small-2603.