DeepSeek Reasoner

DeepSeek Reasoner (R1) is a powerful open-source reasoning model with 671B parameters (37B active). It matches leading frontier models on mathematical reasoning, logical deduction, code generation, and complex multi-step problem solving, with transparent reasoning tokens.

Quick Reference

Pricing

When to Use Reasoner

Example

from openai import OpenAI

client = OpenAI(
    base_url="https://openapi.linkwo.ai/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="deepseek/deepseek-reasoner",
    messages=[
        {"role": "user", "content": "Prove that the square root of 2 is irrational."}
    ],
    temperature=0.1
)

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

Related

• DeepSeek V4 Pro — General-purpose advanced model
• DeepSeek Chat — Cost-effective V3 model
• Model Overview — All available models