# Mistral Small 4: API price, context window and how to connect

Mistral Small 4 by Mistral AI: $0.15 per million input tokens, $0.6 per million output tokens, a 262K-token window. What it is good for, what to compare it with and how to connect it in SKILLOK.

## In short

Mistral Small 4 is the new release of Mistral's small line, combining the capabilities of several of the company's flagship models in one system. Open weights and a low price.

## Specifications

| | |
|---|---|
| Provider | [Mistral AI](https://skillok.org/docs/en/ai-models/providers/mistral) |
| Released | 2026-03-16 |
| Context window | 262K tokens |
| Accepts | text, images |
| Answers with | text |
| Reasoning mode | yes |
| Tool calling | yes |
| Open weights | yes |
| Identifier | `mistralai/mistral-small-2603` |

## Price

| Per 1M tokens | In dollars |
|---|---|
| Input (question, context) | $0.15 |
| Output (answer) | $0.6 |

For reference: a conversation of 20 questions of ~500 tokens and answers of ~800 tokens costs about **$0.011**. Models in reasoning mode spend more tokens on an answer than the text shows: the reasoning is paid for too.

## What it is good for

* Inexpensive everyday tasks
* Running on your own servers
* Text and images as input

## Similar models

Catalog models with the same kind of output, closest in the price of a typical request.

| Model | Input | Output | Window | Price |
|---|---|---|---|---|
| [DeepSeek V3.2](https://skillok.org/docs/en/ai-models/models/deepseek-v3-2) | $0.28 | $0.42 | 164K | about the same |
| [Llama 4 Maverick](https://skillok.org/docs/en/ai-models/models/llama-4-maverick) | $0.188 | $0.652 | 1.05M | 1.1× more expensive |
| [Qwen3.8 Flash](https://skillok.org/docs/en/ai-models/models/qwen3-8-flash) | $0.15 | $0.47 | 1M | 1.2× cheaper |
| [Qwen3.8 Omni Flash](https://skillok.org/docs/en/ai-models/models/qwen3-8-omni-flash) | $0.15 | $0.47 | 1M | 1.2× cheaper |
| [GPT-6 Luna](https://skillok.org/docs/en/ai-models/models/gpt-6-luna) | $0.1 | $0.5 | 1.05M | 1.3× cheaper |

## Other Mistral AI models

* [Mistral Large 4](https://skillok.org/docs/en/ai-models/models/mistral-large-4-0)
* [Mistral Medium 3.5](https://skillok.org/docs/en/ai-models/models/mistral-medium-3-5)
* [Devstral 2 2512](https://skillok.org/docs/en/ai-models/models/devstral-2512)

## How to connect in SKILLOK

Mistral Small 4 works through OpenRouter: add an OpenRouter key in **Settings → AI** and pick the `mistralai/mistral-small-2603` model. It then becomes available in Space AI, in tasks and to the repository agent. In detail — [Connecting a model in SKILLOK](https://skillok.org/docs/en/ai-models/connecting-in-skillok).

## Where the data comes from

Prices, the context window and capabilities come from the public OpenRouter catalog as of 2026-10-19. A provider may change the price — the exact figure is always on the model's OpenRouter page.

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https://skillok.org/docs/en/ai-models/models/mistral-small-2603