Mistral modelsChat Completions model

mistral/mistral-medium-3-5

Name: Mistral: Mistral Medium 3.5
Price: 1.5 USD
Availability: InStock
Author: Mistral

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

Input⌘ / Ctrl + Enter

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Prompt

Image URL or upload

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262.1K max outputVision

Input $1.50/M · Output $7.50/M

OutputReady

Your response will appear here

Choose an example or write a prompt, then click Run.

API details and access

Model Details

ProviderMistral

TypeLlm

Model IDmistral/mistral-medium-3-5

Capabilities

InputTextImage

OutputText

Context-

Max Output262,144

VisionSupported

Function CallingSupported

Access details

Chat Completions

Base URLhttps://api.sandbase.ai

API Endpoint/v1/chat/completions

{
  "model": "mistral/mistral-medium-3-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ],
  "max_tokens": 512
}

Pricing

Input$1.50 / 1M tokens

Output$7.50 / 1M tokens

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/chat/completions

Model IDmistral/mistral-medium-3-5

Input Schema

12 parameters · 1 required · 11 optional

Parameter	Type	Required	Description
`messages`	object[]	Required	—
`seed`	integer	Optional	—
`stop`	string[]	Optional	—
`tools`	array	Optional	—
`top_p`	number	Optional	Min: 0 · Max: 1
`stream`	boolean	Optional	Default: false
`max_tokens`	integer	Optional	Max: 262144
`temperature`	number	Optional	Min: 0 · Max: 2 · Default: 1
`tool_choice`	string	Optional	—
`response_format`	object	Optional	—
`presence_penalty`	number	Optional	Min: -2 · Max: 2
`frequency_penalty`	number	Optional	Min: -2 · Max: 2

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the completion
`object`	string	Object type, e.g. "chat.completion"
`model`	string	Model used for the completion
`choices`	array	List of completion choices
`choices[].message.content`	string	Generated text content
`choices[].finish_reason`	string	Reason the generation stopped
`usage.prompt_tokens`	integer	Number of tokens in the prompt
`usage.completion_tokens`	integer	Number of tokens in the completion
`usage.total_tokens`	integer	Total tokens used

Code Examples

Ready-to-run snippets

curl https://api.sandbase.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "mistral/mistral-medium-3-5",
    "messages": [{"role": "user", "content": "Hello"}],
    "temperature": 0.7,
    "max_tokens": 2048,
    "stream": true
  }'

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