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DeepSeek Chat V3.1

by deepseek

Chat

Description

DeepSeek Chat V3.1 is an upgraded DeepSeek V3 model with long-context chat, function calling, and optional reasoning support.

Providers

Pricing

Input$0.20 /1M tokens
Output$0.80 /1M tokens
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Specifications

Context164K tokens
Parameters
Licensedeepseek
ReleasedAug 2025

Capabilities

ReasoningToolsJSON ModeStreaming

EU-Compliant API Access

Use DeepSeek Chat V3.1 with a simple API call. OpenAI-compatible endpoint, EU data residency guaranteed.

JavaScript
const response = await fetch("https://api.eurouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${process.env.EUROUTER_API_KEY}`,
  },
  body: JSON.stringify({
    model: "deepseek-chat-v3.1",
    messages: [
      { role: "user", content: "Hello!" }
    ],
  }),
});

const data = await response.json();
console.log(data.choices[0].message.content);

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