R1

DeepSeek chatreasoningtool_use

API ID: deepseek/deepseek-r1

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Input Price
$0.70
/1M tokens
Output Price
$2.40
/1M tokens

About R1

DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass. Fully open-source model & [technical report](https://api-docs.deepseek.com/news/news250120). MIT licensed: Distill & commercialize freely!

💰
Price Ranking
#1018 lowest price among 1240 Chat models

Model Specifications

Context Length
164k
Max Output
16k
Release Date
2025-01-20
Capabilities
chat reasoning tool_use
Input Modalities
text
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)
  • Simple Q&A (cheaper models available)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$1.03
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$32.10
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$44.55
/month
500 analyses/day, ~2k tokens each
Calculate Your Custom Usage

DeepSeek Model Lineup

Compare all models from DeepSeek to find the best fit

Model Input Output Context Capabilities
R1 Current Free Free 164k chat reasoning tool_use
DeepSeek V3.1 Base Free Free 164k chat
DeepSeek V3.1 Base Free Free 164k chat
DeepSeek Prover V2 Free Free 164k chat
DeepSeek V3 Base Free Free 131k chat
DeepSeek V3 Base Free Free 131k chat
View All DeepSeek Models →

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🚀 Quick Start

Get started with R1 API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="deepseek/deepseek-r1",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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