# Mistral Small 4

Mistral Small 4 is an AI model released by Mistral on Mar 16 2026.

## Facts

| Field | Value |
| --- | --- |
| Model | Mistral Small 4 |
| Developer | Mistral |
| Release date | Monday, Mar 16 2026 |
| Licensing | Proprietary |

## API pricing

All rates in USD per 1,000,000 tokens, pay-as-you-go.

| Tier | Input | Output |
| --- | --- | --- |
| Standard | $0.15 | $0.60 |

Verified August 18, 2026 against the first-party source: https://mistral.ai/pricing/api/

## Questions and answers

### When was Mistral Small 4 released?

Mistral Small 4 was released by Mistral on Monday, Mar 16 2026.

### Who made Mistral Small 4?

Mistral Small 4 was built by Mistral. French AI company building open and commercial models. Founded in 2023 by former Meta and DeepMind researchers.

### How much does Mistral Small 4 cost?

Mistral Small 4 costs $0.15 per million input tokens and $0.60 per million output tokens through the Mistral API. Rates are pay-as-you-go API prices verified against Mistral's published pricing on August 18, 2026.

### Is Mistral Small 4 open source?

No. Mistral Small 4 is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.

### What came before and after Mistral Small 4?

Mistral's previous tracked release was Devstral Small 2 (24B) on Dec 9 2025, 97 days earlier. It was followed by Mistral Medium 3.5 on Apr 29 2026.


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Canonical page: https://aireleasetracker.com/model/mistral/mistral-small-4
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Benchmark scores are the figures published by the releasing lab at launch.