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 this article
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 |
| 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 | $0.28 | $0.42 | 164K | about the same |
| Llama 4 Maverick | $0.188 | $0.652 | 1.05M | 1.1× more expensive |
| Qwen3.8 Flash | $0.15 | $0.47 | 1M | 1.2× cheaper |
| Qwen3.8 Omni Flash | $0.15 | $0.47 | 1M | 1.2× cheaper |
| GPT-6 Luna | $0.1 | $0.5 | 1.05M | 1.3× cheaper |
Other Mistral AI models#
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.
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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