Providers and ModelsMistral AI

Mistral Small 3.1

Mistral Small 3.1
Mistral AI · Text Generation
POST /v1/chat/completions

24B-parameter multimodal model with 128K context for image analysis, programming, math, and multilingual tasks, tuned for efficient local inference.

At a glance

FieldValue
Model idmistral-small-3-1
Model release date2025-03-17
Input modalitiesText, Image
Output modalitiesText
Context window128K
Weight precision-
Max output tokens32,000
Featuresvision, function_calling
Native inferenceNo
NewNo
Structured outputJSON Schema
Supported endpointsPOST /v1/chat/completions, POST /v1/responses, POST /v1/messages, POST /v1beta/models/mistral-small-3-1:generateContent
Alternate model idsmistral-small-3.1, mistralai/mistral-small-3.1

Pricing

ChargeSpecRate
Per Messagefixed$0.0019
Web Search (Linkup)per call when invoked$0.013

Example request

$curl https://api.empiriolabs.ai/v1/chat/completions \
>  -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>  -H 'Content-Type: application/json' \
>  -d '{"model": "mistral-small-3-1", "messages": [{"role":"user","content":"Hello"}]}'

Parameters

ParameterTypeRequiredDefaultDescription
temperaturenumberno0.7Sampling temperature. 0 = deterministic, 2 = maximum randomness. · Range: 0 – 1.5
top_pnumberno1.0Nucleus sampling probability mass. Lower = more focused. · Range: 0 – 1
max_tokensnumberno4096Maximum tokens in the response. · Range: 1 – 32768
toolsstringno-OpenAI-format tool definitions
tool_choicestringno-auto, none, required, or {type, function}
response_formatenumno-Constrain the output to JSON. Use JSON mode for any valid JSON object, or JSON schema to force output that matches a schema you provide.
web_search_linkupbooleannofalseOptional web search powered by Linkup. When enabled, recent web sources are retrieved using your latest user message as the query and provided to the model as additional context. Adds $0.013 per call when invoked on top of the model’s normal token cost. Disabled by default.
disable_formattingbooleannofalseWhen enabled, the gateway will not append the “Sources” footer to assistant responses that used Linkup web search. Useful when the model output is piped to another system that expects no decoration.

Machine-readable schema: GET https://api.empiriolabs.ai/v1/models/mistral-small-3-1.