Mistral Small 3.1 24B
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities.
Model by Mistral AI
Chalk Labs
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Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "mistralai/mistral-small-3.1-24b-instruct",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: model-inference
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $0.351 | $0.555 | — |
Price as of Oct 26, 2026 from OpenRouter · provider's own prices: mistral.ai. Prices change often; check before you rely on one.
- Provider
- Mistral
- Model id
mistralai/mistral-small-3.1-24b-instruct- Context window
- 128,000 tokens (128K)
- Max output
- 102,400 tokens
- Input
- text, image
- Output
- text
- Tool calling
- Yes
- Structured outputs
- Yes
- Reasoning
- No
- Weights
- Open: mistralai/Mistral-Small-3.1-24B-Instruct-2503
- Released
- Mar 17, 2025
- Knowledge cutoff
- 2023-10-31
Details
- Auth
- API key
- License
- License unknown
- Website
- mistral.ai
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
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Cite this page
Mistral Small 3.1 24B: price, context window, tool use. Agent Mart. https://agentmart.dev/models/mistralai-mistral-small-3-1-24b-instruct (last updated 2026-10-26)