oclaw/openclaw/docs/providers/mistral.md
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---
summary: "Use Mistral models and Voxtral transcription with OpenClaw"
read_when:
- You want to use Mistral models in OpenClaw
- You need Mistral API key onboarding and model refs
title: "Mistral"
---
# Mistral
OpenClaw supports Mistral for both text/image model routing (`mistral/...`) and
audio transcription via Voxtral in media understanding.
Mistral can also be used for memory embeddings (`memorySearch.provider = "mistral"`).
- Provider: `mistral`
- Auth: `MISTRAL_API_KEY`
- API: Mistral Chat Completions (`https://api.mistral.ai/v1`)
## Getting started
<Steps>
<Step title="Get your API key">
Create an API key in the [Mistral Console](https://console.mistral.ai/).
</Step>
<Step title="Run onboarding">
```bash
openclaw onboard --auth-choice mistral-api-key
```
Or pass the key directly:
```bash
openclaw onboard --mistral-api-key "$MISTRAL_API_KEY"
```
</Step>
<Step title="Set a default model">
```json5
{
env: { MISTRAL_API_KEY: "sk-..." },
agents: { defaults: { model: { primary: "mistral/mistral-large-latest" } } },
}
```
</Step>
<Step title="Verify the model is available">
```bash
openclaw models list --provider mistral
```
</Step>
</Steps>
## Built-in LLM catalog
OpenClaw currently ships this bundled Mistral catalog:
| Model ref | Input | Context | Max output | Notes |
| -------------------------------- | ----------- | ------- | ---------- | ---------------------------------------------------------------- |
| `mistral/mistral-large-latest` | text, image | 262,144 | 16,384 | Default model |
| `mistral/mistral-medium-2508` | text, image | 262,144 | 8,192 | Mistral Medium 3.1 |
| `mistral/mistral-small-latest` | text, image | 128,000 | 16,384 | Mistral Small 4; adjustable reasoning via API `reasoning_effort` |
| `mistral/pixtral-large-latest` | text, image | 128,000 | 32,768 | Pixtral |
| `mistral/codestral-latest` | text | 256,000 | 4,096 | Coding |
| `mistral/devstral-medium-latest` | text | 262,144 | 32,768 | Devstral 2 |
| `mistral/magistral-small` | text | 128,000 | 40,000 | Reasoning-enabled |
## Audio transcription (Voxtral)
Use Voxtral for audio transcription through the media understanding pipeline.
```json5
{
tools: {
media: {
audio: {
enabled: true,
models: [{ provider: "mistral", model: "voxtral-mini-latest" }],
},
},
},
}
```
<Tip>
The media transcription path uses `/v1/audio/transcriptions`. The default audio model for Mistral is `voxtral-mini-latest`.
</Tip>
## Advanced configuration
<AccordionGroup>
<Accordion title="Adjustable reasoning (mistral-small-latest)">
`mistral/mistral-small-latest` maps to Mistral Small 4 and supports [adjustable reasoning](https://docs.mistral.ai/capabilities/reasoning/adjustable) on the Chat Completions API via `reasoning_effort` (`none` minimizes extra thinking in the output; `high` surfaces full thinking traces before the final answer).
OpenClaw maps the session **thinking** level to Mistral's API:
| OpenClaw thinking level | Mistral `reasoning_effort` |
| ------------------------------------------------ | -------------------------- |
| **off** / **minimal** | `none` |
| **low** / **medium** / **high** / **xhigh** / **adaptive** | `high` |
<Note>
Other bundled Mistral catalog models do not use this parameter. Keep using `magistral-*` models when you want Mistral's native reasoning-first behavior.
</Note>
</Accordion>
<Accordion title="Memory embeddings">
Mistral can serve memory embeddings via `/v1/embeddings` (default model: `mistral-embed`).
```json5
{
memorySearch: { provider: "mistral" },
}
```
</Accordion>
<Accordion title="Auth and base URL">
- Mistral auth uses `MISTRAL_API_KEY`.
- Provider base URL defaults to `https://api.mistral.ai/v1`.
- Onboarding default model is `mistral/mistral-large-latest`.
- Z.AI uses Bearer auth with your API key.
</Accordion>
</AccordionGroup>
## Related
<CardGroup cols={2}>
<Card title="Model selection" href="/concepts/model-providers" icon="layers">
Choosing providers, model refs, and failover behavior.
</Card>
<Card title="Media understanding" href="/tools/media-understanding" icon="microphone">
Audio transcription setup and provider selection.
</Card>
</CardGroup>