DeepSeek - AI Chat

Model Capabilities

Explore what DeepSeek can do for you

Coding

Data Analysis

Creative Writing

Mathematics

Advanced Coding Assistant

Write, debug, and optimize code in multiple programming languages

// Example: Quick sort implementation
function quickSort(arr) {
    if (arr.length <= 1) return arr;
    const pivot = arr[Math.floor(arr.length / 2)];
    const left = arr.filter(x => x < pivot);
    const right = arr.filter(x => x > pivot);
    return [...quickSort(left), pivot, ...quickSort(right)];
}

Model Comparison

Choose the right model for your needs

Model	Context Length	Best For	Speed	Availability
DeepSeek-R1 NEW	64K tokens	Complex reasoning tasks	Fast	Web, API, App
DeepSeek-V3	128K tokens	General purpose AI	Very Fast	Web, API, App
DeepSeek-Coder	16K tokens	Code generation	Ultra Fast	API only

Use Cases

See DeepSeek in action across different scenarios

Education & Learning

Help students understand complex topics, solve homework problems, and prepare for exams with personalized explanations.

User: Explain quantum entanglement in simple terms
DeepSeek: Imagine two coins that are magically connected...

Software Development

Accelerate coding with intelligent code completion, debugging assistance, and architecture recommendations.

User: Create a REST API endpoint for user authentication
DeepSeek: Here's a secure implementation using JWT...

Business Analysis

Generate insights from data, create reports, and make data-driven recommendations for business growth.

User: Analyze our Q3 sales data and suggest improvements
DeepSeek: Based on the data, here are three key insights...

For Developers

Integrate DeepSeek into your applications

from openai import OpenAI

client = OpenAI(
    api_key="your-api-key",
    base_url="https://api.deepseek.com/v1"
)

response = client.chat.completions.create(
    model="deepseek-v3",
    messages=[
        {"role": "user", "content": "Hello, DeepSeek!"}
    ]
)

print(response.choices[0].message.content)

import OpenAI from 'openai';

const client = new OpenAI({
    apiKey: 'your-api-key',
    baseURL: 'https://api.deepseek.com/v1'
});

const response = await client.chat.completions.create({
    model: 'deepseek-v3',
    messages: [
        { role: 'user', content: 'Hello, DeepSeek!' }
    ]
});

console.log(response.choices[0].message.content);

curl -X POST https://api.deepseek.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-api-key" \
  -d '{
    "model": "deepseek-v3",
    "messages": [
      {"role": "user", "content": "Hello, DeepSeek!"}
    ]
  }'

Frequently Asked Questions

What is DeepSeek? ▼

DeepSeek is an advanced AI assistant powered by cutting-edge language models. It can help with coding, analysis, creative writing, problem-solving, and much more.

How do I get started? ▼

Simply click the 'Start Chat' button to begin using DeepSeek for free. No registration required for basic usage. For API access, sign up for an account and get your API key.

What's the difference between models? ▼

DeepSeek-V3 is our general-purpose model great for most tasks. DeepSeek-R1 specializes in complex reasoning and step-by-step problem solving. DeepSeek-Coder is optimized for programming tasks.

Is my data secure? ▼

Yes, we take data security seriously. All communications are encrypted, and we don't use your data for training without explicit permission. Enterprise customers can opt for private deployment.