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Grok 3 Mini

xaixai/grok-3-mini

Cost-efficient reasoning model from xAI with 131K context window. Ideal for tasks requiring reasoning at lower cost with function calling and structured output support.

Context Length
131K
Max Output
33K
Input Priceper 1M tokens
$0.540/ 1M tokens
Output Priceper 1M tokens
$0.900/ 1M tokens

Modalities

text→text

Pricing Breakdown

TypeRate
Input$0.540 / 1M tokens
Output$0.900 / 1M tokens

Supported Parameters

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatreasoningstop

API Usage Examples

Use the global api.therouter.ai endpoint shown below for new integrations; the legacy China accelerated endpoint is retired.

cURL
curl https://api.therouter.ai/v1/chat/completions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "xai/grok-3-mini",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'
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