Mistral AI/mistral-small-2503/Released Mar 2025

Mistral Small 3.1

Multimodal model, 128K context

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About Mistral Small 3.1

Mistral Small 3.1 is a 24 billion parameter Multimodal LLM designed for a wide range of generative AI tasks.

It excels in instruction following, conversational assistance, image understanding, and function calling, while being lightweight enough to run on a single RTX 4090 or a Mac with 32GB RAM when quantized.

Some other noteworthy features of Mistral Small 3.1 include fast-response conversational assistance, low-latency function calling, and the ability to be fine-tuned for specialized domains such as legal advice, medical diagnostics, and technical support.

MetricValue
Parameter Count24 billion
Mixture of ExpertsNo
Context Length128,000 tokens
MultilingualYes
Quantized*No

*Quantization is specific to the inference provider and the model may be offered with different quantization levels by other providers.

Ready to build with Mistral Small 3.1?

Try Mistral Small 3.1 in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.

curl -sSf -X POST https://hub.oxen.ai/api/ai/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "mistral-small-2503",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'

API endpoint

See the API reference for request and response formats.

POSThttps://hub.oxen.ai/api/ai/chat/completions