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Mistral: Mistral Large 4

mistralai-large-4

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Mistral Large 4 is an open-weight multimodal mixture-of-experts model with 1.05T total and 49B active parameters, built for reasoning, coding, tool use, and structured output. It supports a 512K-token context window.

Modalities

Text + Image → Text

Input / output price

$0.884 / $2.72 per 1M

Context

524K

Capabilities

ReasoningVisionTool callingLong contextOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.884
Output$2.72
Cached input$0.091

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00483
Per day
$2.41
Per month (30 days)
$72.38

Mistral Large 4: input $0.884/M · output $2.717/M · cached input $0.091/M

Request with these settings
curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "mistralai-large-4", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to mistralai-large-4.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistralai-large-4",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is Mistral Large 4 billed?
Input is $0.884 and output is $2.72 per million tokens; cached input is $0.091. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
524K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?
Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.