# ![Mistral logo](https://models.dev/logos/mistral.svg)Mistral

Access 27 Mistral models through Mastra's model router. Authentication is handled automatically using the `MISTRAL_API_KEY` environment variable.

Learn more in the [Mistral documentation](https://docs.mistral.ai/getting-started/models/).

```bash
MISTRAL_API_KEY=your-api-key
```

```typescript
import { Agent } from "@mastra/core/agent";

const agent = new Agent({
  id: "my-agent",
  name: "My Agent",
  instructions: "You are a helpful assistant",
  model: "mistral/codestral-latest"
});

// Generate a response
const response = await agent.generate("Hello!");

// Stream a response
const stream = await agent.stream("Tell me a story");
for await (const chunk of stream) {
  console.log(chunk);
}
```

## Models

| Model                              | Context | Tools | Reasoning | Image | Audio | Video | Input $/1M | Output $/1M |
| ---------------------------------- | ------- | ----- | --------- | ----- | ----- | ----- | ---------- | ----------- |
| `mistral/codestral-latest`         | 256K    |       |           |       |       |       | $0.30      | $0.90       |
| `mistral/devstral-2512`            | 262K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/devstral-medium-2507`     | 128K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/devstral-medium-latest`   | 262K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/devstral-small-2505`      | 128K    |       |           |       |       |       | $0.10      | $0.30       |
| `mistral/devstral-small-2507`      | 128K    |       |           |       |       |       | $0.10      | $0.30       |
| `mistral/labs-devstral-small-2512` | 256K    |       |           |       |       |       | —          | —           |
| `mistral/magistral-medium-latest`  | 128K    |       |           |       |       |       | $2         | $5          |
| `mistral/magistral-small`          | 128K    |       |           |       |       |       | $0.50      | $2          |
| `mistral/ministral-3b-latest`      | 128K    |       |           |       |       |       | $0.04      | $0.04       |
| `mistral/ministral-8b-latest`      | 128K    |       |           |       |       |       | $0.10      | $0.10       |
| `mistral/mistral-embed`            | 8K      |       |           |       |       |       | $0.10      | —           |
| `mistral/mistral-large-2411`       | 131K    |       |           |       |       |       | $2         | $6          |
| `mistral/mistral-large-2512`       | 262K    |       |           |       |       |       | $0.50      | $2          |
| `mistral/mistral-large-latest`     | 262K    |       |           |       |       |       | $0.50      | $2          |
| `mistral/mistral-medium-2505`      | 131K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/mistral-medium-2508`      | 262K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/mistral-medium-latest`    | 128K    |       |           |       |       |       | $0.40      | $2          |
| `mistral/mistral-nemo`             | 128K    |       |           |       |       |       | $0.15      | $0.15       |
| `mistral/mistral-small-2506`       | 128K    |       |           |       |       |       | $0.10      | $0.30       |
| `mistral/mistral-small-2603`       | 256K    |       |           |       |       |       | $0.15      | $0.60       |
| `mistral/mistral-small-latest`     | 256K    |       |           |       |       |       | $0.15      | $0.60       |
| `mistral/open-mistral-7b`          | 8K      |       |           |       |       |       | $0.25      | $0.25       |
| `mistral/open-mixtral-8x22b`       | 64K     |       |           |       |       |       | $2         | $6          |
| `mistral/open-mixtral-8x7b`        | 32K     |       |           |       |       |       | $0.70      | $0.70       |
| `mistral/pixtral-12b`              | 128K    |       |           |       |       |       | $0.15      | $0.15       |
| `mistral/pixtral-large-latest`     | 128K    |       |           |       |       |       | $2         | $6          |

## Advanced configuration

### Custom headers

```typescript
const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.mistral.ai/v1",
    id: "mistral/codestral-latest",
    apiKey: process.env.MISTRAL_API_KEY,
    headers: {
      "X-Custom-Header": "value"
    }
  }
});
```

### Dynamic model selection

```typescript
const agent = new Agent({
  id: "dynamic-agent",
  name: "Dynamic Agent",
  model: ({ requestContext }) => {
    const useAdvanced = requestContext.task === "complex";
    return useAdvanced
      ? "mistral/pixtral-large-latest"
      : "mistral/codestral-latest";
  }
});
```

## Direct provider installation

This provider can also be installed directly as a standalone package, which can be used instead of the Mastra model router string. View the [package documentation](https://www.npmjs.com/package/@ai-sdk/mistral) for more details.

**npm**:

```bash
npm install @ai-sdk/mistral
```

**pnpm**:

```bash
pnpm add @ai-sdk/mistral
```

**Yarn**:

```bash
yarn add @ai-sdk/mistral
```

**Bun**:

```bash
bun add @ai-sdk/mistral
```

For detailed provider-specific documentation, see the [AI SDK Mistral provider docs](https://ai-sdk.dev/providers/ai-sdk-providers/mistral).