TheRouter.aiTheRouter.ai
Back to Models

DeepSeek V3.1

deepseekdeepseek/deepseek-v3.1

DeepSeek V3.1 is a hybrid model supporting both thinking and non-thinking modes. Features enhanced tool calling capabilities for agent-based tasks. Thinking mode maintains answer quality comparable to DeepSeek-R1 with improved response times.

Context Length
128K
Max Output
33K
Input Priceper 1M tokens
$0.900/ 1M tokens
Output Priceper 1M tokens
$2.64/ 1M tokens

Modalities

text→text

Pricing Breakdown

TypeRate
Input$0.900 / 1M tokens
Output$2.64 / 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": "deepseek/deepseek-v3.1",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'
Customer Support